* expmed.c (expand_mult_add): Remove.
[official-gcc.git] / gcc / ChangeLog
blob87cb7051c8c9d9b25d894341860a59deb0de600a
1 2006-03-04  Kazu Hirata  <kazu@codesourcery.com>
3         * expmed.c (expand_mult_add): Remove.
4         * expr.h: Remove the prototype for expand_mult_add.
6 2006-03-04  Jakub Jelinek  <jakub@redhat.com>
8         * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
9         and REG_SAVED_VAL_EXP constants.
10         * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
11         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
12         Handle regs stored by value.
13         (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
14         (execute_cfa_program): Handle DW_CFA_val_offset,
15         DW_CFA_val_offset_sf and DW_CFA_val_expression.
16         (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
17         value specially.  Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
18         (uw_install_context_1): Handle target regs stored by value.
20 2006-03-03  Daniel Berlin  <dberlin@dberlin.org>
22         * tree-sra.c (tree_sra): Return todoflags;
23         (generate_one_element): Set TODO_update_smt_usage if needed.
24         (pass_sra): Remove TODO_update_smt_usage.
25         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
26         parameter.
27         (tree_ssa_forward_propagate_single_use_vars): Return
28         TODO_update_smt_usage if we need to update SMT usage.
29         (pass_forwprop): Remove TODO_update_smt_usage.
30         
31 2006-03-03  Diego Novillo  <dnovillo@redhat.com>
33         * tree-ssa-operands.c: Tidy whitespace.  Fix spelling.
34         (correct_use_link): Remove reference to get_stmt_operands.
35         (update_stmt_operands): Likewise.
36         (get_modify_expr_operands): New function factored out of
37         parse_ssa_operands and get_expr_operands.
38         Try to create V_MUST_DEFs for LHS by default.
39         (get_expr_operands) <case MODIFY_EXPR>: Call
40         get_modify_expr_operands.
41         <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
42         <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
43         (parse_ssa_operands) <case MODIFY_EXPR>: Call
44         get_modify_expr_operands.
46 2006-03-03  Kazu Hirata  <kazu@codesourcery.com>
48         * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
49         * tree-flow.h: Remove the prototype for
50         referenced_var_lookup_if_exists.
52 2006-03-03  Steve Ellcey  <sje@cup.hp.com>
54         PR rtl-optimization/26345
55         PR target/19061
56         * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
58 2006-03-03  Roger Sayle  <roger@eyesopen.com>
60         PR tree-optimization/26524
61         * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
62         fold_convert to create a constant of the appropriate type.
64 2006-03-03  Richard Sandiford  <richard@codesourcery.com>
66         * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
67         SYMBOL_REF_IN_BLOCK_P.
68         * doc/rtl.texi: Likewise.  Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
69         of SYMBOL_FLAG_IN_BLOCK.
70         * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
71         instead of SYMBOL_REF_IN_BLOCK_P.
72         * explow.c (use_anchored_address): Likewise.
73         * rtl.c (rtx_size): Likewise.
74         * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
75         instead of SYMBOL_FLAG_IN_BLOCK.
76         (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
77         SYMBOL_REF_IN_BLOCK_P.
78         (assemble_variable): Likewise.
79         (output_constant_def_contents): Likewise.
80         (output_constant_pool): Likewise.
81         (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
82         instead of SYMBOL_FLAG_IN_BLOCK.
83         * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
84         SYMBOL_REF_IN_BLOCK_P.
85         (SYMBOL_REF_BLOCK): Likewise.
86         (SYMBOL_REF_OFFSET): Likewise.
87         (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
88         SYMBOL_REF_IN_BLOCK_P.
89         (SYMBOL_FLAG_IN_BLOCK): Replace with...
90         (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
91         (SYMBOL_REF_IN_BLOCK_P): Replace with...
92         (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
94 2006-03-03  Jakub Jelinek  <jakub@redhat.com>
96         * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
98 2006-03-02  Roger Sayle  <roger@eyesopen.com>
100         * simplify-rtx.c (simplify_unary_operation): When simplifying
101         (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
102         that we perform the right shift in the appropriate mode, and
103         then extend or truncate the result to requested mode.
105 2006-03-03  Zdenek Dvorak <dvorakz@suse.cz>
107         * gengtype.c (main): Handle double_int type.
108         * tree.h (struct tree_int_cst): Make type of int_cst double_int.
109         * double-int.c: New file.
110         * double-int.h: New file.
111         * system.h: Include doubleint.h.
112         * Makefile.in (SYSTEM_H): Include double-int.h.
113         (double-int.o): Add.
115 2006-03-03  Joseph S. Myers  <joseph@codesourcery.com>
117         PR bootstrap/26478
118         * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
119         copying over it.
121 2006-03-02  Zdenek Dvorak <dvorakz@suse.cz>
123         * tree-vrp.c (remove_range_assertions): Do not update statements
124         unnecessarily.
126 2006-03-02  Zdenek Dvorak <dvorakz@suse.cz>
128         * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
129         cleanup.
130         * gcse.c (rest_of_handle_gcse): Ditto.
131         * except.c (gate_handle_eh): Ditto.
132         * cfgcleanup.c (rest_of_handle_jump2): Ditto.
133         * basic-block.h (CLEANUP_PRE_LOOP): Remove.
135 2006-03-02  Eric Christopher  <echristo@apple.com>
137         * config/i386/i386.c (machopic_output_stub): Add indirection to
138         jump.
140 2006-03-02  Zdenek Dvorak <dvorakz@suse.cz>
142         * loop.c: Removed.
144 2006-03-02  David S. Miller  <davem@sunset.davemloft.net>
146         Sun Niagara specific optimizations.
147         * config.gcc: Recognize niagara as target.
148         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
149         (TARGET_CPU_niagara): Define.
150         (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
151         (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
152         (CPP_CPU_SPEC): Handle -mcpu=niagara.
153         (ASM_CPU_SPEC): Likewise.
154         (PROCESSOR_NIAGARA): New enum entry.
155         (REGISTER_MOVE_COST): Handle Niagara.
156         (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
157         * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
158         (sparc_override_options): Recognize "niagara", set appropriate
159         default MASK_* values for it, and align functions to 32-bytes
160         by default just like ULTRASPARC/ULTRASPARC3.
161         (sparc_initialize_trampoline): Handle niagara like ultrasparc.
162         (sparc64_initialize_trampoline): Likewise.
163         (sparc_use_sched_lookahead): Use zero for niagara.
164         (sparc_issue_rate): Use one for niagara.
165         * config/sparc/niagara.md: New file.
166         * config/sparc/sparc.md: Include it.
167         * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
168         ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
169         when default cpu is niagara.
170         (CPP_CPU_SPEC): Handle -mcpu=niagara.
171         (ASM_CPU_SPEC): Likewise.
172         * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
173         when default cpu is niagara.
174         (ASM_CPU_SPEC): Handle -mcpu=niagara.
175         * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
176         just like v9/ultrasparc/ultrasparc3.
177         * doc/invoke.texi: Add documentation for "niagara" and improve
178         existing documentation for ultrasparc variants.
180 2006-03-02  Diego Novillo  <dnovillo@redhat.com>
182         * tree-ssa-operands.c (update_stmt_operands): Update documentation.
184 2006-03-02  Richard Sandiford  <richard@codesourcery.com>
186         * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
187         (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
188         and say that only one is needed.
189         * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
190         * target.h (have_switchable_bss_sections): New hook.
191         * explow.c (use_anchored_address): Check that the symbol is in a block.
192         * varasm.c (tls_comm_section, comm_section, lcomm_section)
193         (bss_noswitch_section): New variables.
194         (get_unnamed_section): Add SECTION_UNNAMED to the flags.
195         (get_noswitch_section): New function.
196         (get_block_for_section): Allow SECT to be null.
197         (unlikely_text_section_p): Use SECTION_STYLE.
198         (bss_initializer_p): New function.
199         (get_variable_section): Move earlier in file.  Take a new argument,
200         prefer_noswitch_p.  Move bss checks from assemble_variable to here.
201         Return one of the new *_sections in such cases.
202         (get_block_for_decl): New function, extracting some logic from
203         use_blocks_for_decl_p.
204         (change_symbol_section): Remove in favor of...
205         (change_symbol_block): ...this new function.
206         (use_blocks_for_decl_p): Remove checks now performed by
207         get_block_for_decl.
208         (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
209         (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
210         (emit_local, emit_bss, emit_common): ...these new functions.
211         Return true if the alignment was honored.
212         (emit_tls_common): New function.
213         (asm_emit_uninitialised): Delete.
214         (assemble_variable_noswitch): New function, split out from...
215         (assemble_variable): ...here.  Don't make decisions about common
216         variables here.  Globalize all public decls that go into non-common
217         sections.  Check whether SYMBOL_REF_BLOCK is null.
218         (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
219         (output_constant_pool): Likewise.
220         (init_varasm_once): Initialize the new section variables.
221         (have_global_bss_p): New function.
222         (categorize_decl_for_section): Use bss_initializer_p.
223         (switch_to_section): Use SECTION_STYLE.  Abort for SECTION_NOSWITCH.
224         (place_block_symbol): Assert that the symbol must be in a block.
225         * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
226         (TARGET_INITIALIZER): Include it.
227         * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
228         * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
229         (SECTION_MACH_DEP): Bump by two.
230         (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
231         (unnamed_section): Mention SECTION_UNNAMED in comment.
232         (named_section): Likewise SECTION_NAMED.
233         (noswitch_section_callback): New type.
234         (noswitch_section): New structure.
235         (section): Add a noswitch_section alternative.
236         (SECTION_STYLE): New macro.
237         (tls_comm_section, comm_section, lcomm_section): Declare.
238         (bss_noswitch_section, have_global_bss_p): Declare.
239         * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
240         * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
241         Override.
242         * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
243         * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
244         Override.
246 2006-03-02  Daniel Berlin <dberlin@dberlin.org>
248         * gcc/tree-vrp.c (execute_vrp): Return value.
249         * gcc/regrename.c (rest_of_handle_regrename): Ditto.
250         * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
251         * gcc/tree-complex.c (tree_lower_complex): Ditto.
252         (tree_lower_complex_O0): Ditto.
253         * gcc/tracer.c (rest_of_handle_tracer): Ditto.
254         * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
255         * gcc/postreload.c (rest_of_handle_postreload): Ditto.
256         * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
257         (execute_tail_calls): Ditto.
258         * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
259         * gcc/tree.h (init_function_for_compilation): Ditto.
260         * gcc/ipa-cp.c (ipcp_driver): Ditto.
261         * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
262         * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
263         * gcc/final.c (compute_alignments): Ditto.
264         (rest_of_handle_final): Ditto.
265         (rest_of_handle_shorten_branches): Ditto.
266         (rest_of_clean_state): Ditto.
267         * gcc/omp-low.c (execute_expand_omp): Ditto.
268         (execute_lower_omp): Ditto.
269         * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
270         * gcc/ipa-reference.c (static_execute): Ditto.
271         * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
272         * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
273         (rest_of_handle_machine_reorg): Ditto.
274         * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
275         * gcc/flow.c (recompute_reg_usage): Ditto.
276         (rest_of_handle_remove_death_notes): Ditto.
277         (rest_of_handle_life): Ditto.
278         (rest_of_handle_flow2): Ditto.
279         * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
280         * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
281         (do_ssa_store_ccp): Ditto.
282         (execute_fold_all_builtins): Ditto.
283         * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
284         * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
285         * gcc/ipa-pure-const.c (static_execute): Ditto.
286         * gcc/cse.c (rest_of_handle_cse): Ditto.
287         (rest_of_handle_cse2): Ditto.
288         * gcc/web.c (rest_of_handle_web): Ditto.
289         * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
290         * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
291         * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
292         * gcc/tree-nrv.c (tree_nrv): Ditto.
293         (execute_return_slot_opt): Ditto.
294         * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
295         (create_structure_vars): Ditto.
296         * gcc/loop-init.c (rtl_loop_init): Ditto.
297         (rtl_loop_done): Ditto.
298         (rtl_move_loop_invariants): Ditto.
299         (rtl_unswitch): Ditto.
300         (rtl_unroll_and_peel_loops): Ditto.
301         (rtl_doloop): Ditto.
302         * gcc/gimple-low.c (lower_function_body): Ditto.
303         (mark_used_blocks): Ditto.
304         * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
305         * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
306         (cgraph_early_inlining): Ditto.
307         * gcc/global.c (rest_of_handle_global_alloc): Ditto.
308         * gcc/jump.c (cleanup_barriers): Ditto.
309         (purge_line_number_notes): Ditto.
310         * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
311         (rest_of_handle_if_after_reload): Ditto.
312         * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
313         (tree_ssa_loop_im): Ditto.
314         (tree_ssa_loop_unswitch): Ditto.
315         (tree_vectorize): Ditto.
316         (tree_linear_transform): Ditto.
317         (tree_ssa_loop_ivcanon): Ditto.
318         (tree_ssa_empty_loop): Ditto.
319         (tree_ssa_loop_bounds): Ditto.
320         (tree_complete_unroll): Ditto.
321         (tree_ssa_loop_prefetch): Ditto.
322         (tree_ssa_loop_ivopts): Ditto.
323         (tree_ssa_loop_done): Ditto.
324         * gcc/predict.c (tree_estimate_probability): Ditto.
325         * gcc/recog.c (split_all_insns_noflow): Ditto.
326         (rest_of_handle_peephole2): Ditto.
327         (rest_of_handle_split_all_insns): Ditto.
328         * gcc/tree-eh.c (lower_eh_constructs): Ditto.
329         * gcc/regmove.c (rest_of_handle_regmove): Ditto.
330         (rest_of_handle_stack_adjustments): Ditto.
331         * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
332         * gcc/function.c (instantiate_virtual_regs): Ditto.
333         (init_function_for_compilation): Ditto.
334         (rest_of_handle_check_leaf_regs): Ditto.
335         * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
336         (rest_of_handle_gcse): Ditto.
337         * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
338         * gcc/alias.c (rest_of_handle_cfg): Ditto.
339         * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
340         * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
341         * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
342         * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
343         * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
344         * gcc/tree-dfa.c (find_referenced_vars): Ditto.
345         * gcc/except.c (set_nothrow_function_flags): Ditto.
346         (convert_to_eh_region_ranges): Ditto.
347         (rest_of_handle_eh): Ditto.
348         * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
349         (remove_unnecessary_notes): Ditto.
350         * gcc/except.h (set_nothrow_function_flags): Ditto.
351         (convert_to_eh_region_ranges): Ditto.
352         * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
353         * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
354         * gcc/tree-ssa-pre.c (do_pre): Ditto.
355         (execute_fre): Ditto.
356         * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
357         (rest_of_handle_jump2): Ditto.
358         * gcc/tree-sra.c (tree_sra): Ditto.
359         * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
360         (execute_mudflap_function_decls): Ditto.
361         * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
362         (do_store_copy_prop): Ditto.
363         * gcc/ipa-prop.h (ipcp_driver): Ditto.
364         * gcc/cfglayout.c (insn_locators_initialize): Ditto.
365         * gcc/tree-ssa-forwprop.c
366         (tree_ssa_forward_propagate_single_use_vars): Ditto.
367         * gcc/cfglayout.h (insn_locators_initialize): Ditto.
368         * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
369         * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
370         (execute_late_warn_uninitialized): Ditto.
371         * gcc/rtl.h (cleanup_barriers): Ditto.
372         (split_all_insns_noflow): Ditto.
373         (purge_line_number_notes): Ditto.
374         (unshare_all_rtl): Ditto.
375         (remove_unnecessary_notes): Ditto.
376         (recompute_reg_usage): Ditto.
377         (variable_tracking_main): Ditto.
378         * gcc/integrate.c (emit_initial_value_sets): Ditto.
379         * gcc/integrate.h (emit_initial_value_sets): Ditto.
380         * gcc/tree-optimize.c (execute_free_datastructures): Ditto
381         (execute_free_cfg_annotations): Ditto.
382         (execute_fixup_cfg): Ditto.
383         (execute_cleanup_cfg_pre_ipa): Ditto.
384         (execute_cleanup_cfg_post_optimizing): Ditto.
385         (execute_init_datastructures): Ditto.
386         * gcc/tree-object-size.c (compute_object_sizes): Ditto.
387         * gcc/combine.c (rest_of_handle_combine): Ditto.
388         * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
389         * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
390         (rest_of_handle_reorder_blocks): Ditto.
391         (rest_of_handle_partition_blocks): Ditto.
392         * gcc/var-tracking.c (variable_tracking_main): Ditto.
393         * gcc/tree-profile.c (tree_profiling): Ditto.
394         * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
395         * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
396         * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
397         (rest_of_handle_sched2): Ditto.
398         * gcc/basic-block.h (free_bb_insn): Ditto.
399         * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
400         * gcc/tree-cfg.c (execute_build_cfg): Ditto.
401         (remove_useless_stmts): Ditto.
402         (split_critical_edges): Ditto.
403         (execute_warn_function_return): Ditto.
404         (execute_warn_function_noreturn): Ditto.
405         * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
406         * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
407         * gcc/passes.c (execute_one_pass): Run additional
408         todos returned by execute function.
409         * gcc/tree-pass.h (struct tree_opt_pass): Make execute
410         return a value.
412 2006-03-02  Richard Guenther  <rguenther@suse.de>
414         * tree-ssa-alias.c (find_used_portions): Consider taking
415         the address as making the variable not write-only.
417 2006-03-02  Nick Clifton  <nickc@redhat.com>
419         * config.gcc (default_use_cxa_atexit): Extend the description of
420         this configure variable.  Set its default value to "yes" for
421         Linux, NetBSD and ELF targets on the assumption that they will
422         use C libraries with the __cxa_atexit function.
424 2006-03-02  Ben Elliston  <bje@au.ibm.com>
426         * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
427         parameter as unused to suppress a build warning.
429 2006-03-02  Ben Elliston  <bje@au.ibm.com>
431         * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
432         config/dfp-bit.c.
434 2006-03-01  Roger Sayle  <roger@eyesopen.com>
436         PR other/26489
437         * gthr-posix.h (__gthrw2): Define to take three parameters, the
438         declared name, the weak reference name, and the typeof name.
439         (__gthrw): Avoid expanding the declared name suffix.
440         (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
442 2006-03-01  Jakub Jelinek  <jakub@redhat.com>
444         * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
445         from DWARF 3.
446         (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
447         DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
448         DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
449         DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
450         DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
451         (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
452         (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
453         DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
454         (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
455         DW_DS_leading_separate, DW_DS_trailing_separate): New.
456         (DW_END_default, DW_END_big, DW_END_little): New.
457         (DW_END_lo_user, DW_END_hi_user): Define.
458         (DW_LNE_lo_user, DW_LNE_hi_user): Define.
459         (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
460         (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
461         DW_LANG_D): New.
463 2006-03-01  Diego Novillo  <dnovillo@redhat.com>
465         * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
466         Update all users.
467         * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
468         Update all users.
469         (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
470         Update all users.
471         * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
472         Update all users.
473         * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
474         to 'symbol_mem_tag'.
475         Update all users.
476         * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
477         rename.
479 2006-03-01  Roger Sayle  <roger@eyesopen.com>
481         * builtins.c (fold_builtin_copysign): Delete unreachable code.
483 2006-03-01  Andrew Pinski  <pinskia@physics.uc.edu>
485         PR target/25761
486         * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
487         MACHO_DYNAMIC_NO_PIC_P.
488         (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
490 2006-03-01  Andrew Pinski  <pinskia@physics.uc.edu>
492         PR target/26389
493         * config/darwin-protos.h (darwin_asm_output_anchor):
494         Declare.
495         * config/darwin-sections.def (cstring_section):
496         Add SECTION_MERGE to the flags.
497         (literal4_section): Likewise.
498         (literal8_section): Likewise.
499         (objc_selector_refs_section): Likewise.
500         (objc_cls_refs_section): Likewise.
501         * config/darwin.c (darwin_asm_output_anchor): New
502         function.
503         * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
505 2006-03-01  Daniel Berlin  <dberlin@dberlin.org>
507         Fix PR tree-optimization/26443
508         * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
509         to todo and PROP_tmt_usage to properties_destroyed.
510         * tree-ssa-ccp.c (pass_ccp): Ditto.
511         (pass_store_ccp): Ditto.
512         * tree-ssa-dom.c (pass_dominator): Ditto.
514 2006-03-01  Diego Novillo  <dnovillo@redhat.com>
516         * tree-ssa-operands.c: Cleanup whitespace.
517         (get_asm_expr_operands): Move before first invocation.
518         (get_indirect_ref_operands): Likewise.
519         (get_tmr_operands): Likewise.
520         (get_call_expr_operands): Likewise.
521         (append_def): Likewise.
522         (append_use): Likewise.
523         (append_v_may_def): Likewise.
524         (append_v_must_def): Likewise.
525         (add_call_clobber_ops): Likewise.
526         (add_call_read_ops): Likewise.
527         (add_stmt_operand): Likewise.
528         (add_virtual_operand): Likewise.
529         (build_ssa_operands): Likewise.
531 2006-03-01  Andrew Pinski  <pinskia@physics.uc.edu>
533         PR middle-end/26022
534         Revert:
535         PR middle-end/24437
536         * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
537         with a call expr to ...
538         * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
540 2006-03-01  Diego Novillo  <dnovillo@redhat.com>
542         * tree-vrp.c (extract_range_from_assert): Remove special
543         handling for types with super-types.
545 2006-03-01  Ben Elliston  <bje@au.ibm.com>
547         * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
548         and powerpc64-*-linux* configurations.
549         * config/t-dfprules: New file.
551         * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
552         Compile dfp-bit.c from the source directory using -DWIDTH and
553         $DFP_CFLAGS to control the compilation of that file, rather than
554         generating width-specific versions in the build directory.
555         * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
556         (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
558 2006-02-28  Zack Weinberg  <zackw@panix.com>
560         * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
561         continues to work.
563 2006-02-28  Eric Christopher  <echristo@apple.com>
565         * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
566         Set up IN_LIBGCC definition of TARGET_64BIT.
567         * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
569 2006-02-28  Roger Sayle  <roger@eyesopen.com>
571         PR middle-end/14752
572         * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
573         BIT_XOR_EXPR, BIT_AND_EXPR>: Delete.  Let fold optimize these
574         cases via the construction of "expr != 0".
576 2006-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
578         * alias.c (alias_invariant, alias_invariant_size): Remove.
579         (record_base_value): Remove.
580         (memrefs_conflict_p): Don't look at alias_invariant.
581         (end_alias_analysis): Don't free it.
582         * alias.h (record_base_value): Remove prototype.
584 2006-02-28  Paolo Bonzini  <bonzini@gnu.org>
585             Adam Nemet  <anemet@caviumnetworks.com>
587         * rtl.h (truncated_to_mode): Declare it.
588         (struct rtl_hooks): Add reg_truncated_to_mode hook.
589         * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
590         (RTL_HOOKS_INITIALIZER): Include it.
591         * rtlhooks.c (reg_truncated_to_mode_general): New function.
592         * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
593         reg_truncated_to_mode.
594         * rtlanal.c (truncated_to_mode): Define it.
595         * simplify-rtx.c (simplify_unary_operation_1): Use it.
597 2006-02-28  Jeff Law  <law@redhat.com>
599         * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
600         conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
601         the range allowed by TYPE_PRECISION.
603         * tree.h (strct phi_arg_d): Remove unused NONZERO field.
605 2006-02-28  Dorit Nuzman  <dorit@il.ibm.com>
607         PR tree-optimization/26419
608         * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
609         values of n.
611 2006-02-27  Zack Weinberg  <zackw@panix.com>
613         * doc/md.texi: Fix typo in previous change.
615 2006-02-27  Kenneth Zadeck <zadeck@naturalbridge.com>
617         * df.c: Remove.
619 2006-02-27  Zack Weinberg  <zackw@panix.com>
621         * rtl.def (define_constraint, define_register_constraint)
622         (define_memory_constraint, define_address_constraint): New MD forms.
623         * gensupport.c (process_rtx): Put define_constraint etc on the
624         predicate queue.
625         * genpreds.c (process_define_predicate): Adjust comment.  Validate
626         the name, and call validate_exp to validate the expression.
627         (mark_mode_tests, write_extract_subexp): Can assume correct input.
628         (write_predicate_expr): Likewise.  NAME argument no longer necessary;
629         all callers changed.
630         (validate_exp, needs_variable, struct constraint_data)
631         (constraints_by_letter_table, first_constraint, last_constraint_ptr)
632         (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
633         (const_dbl_constraints, constraint_max_namelen)
634         (have_register_constraints, have_memory_constraints)
635         (have_address_constraints, have_address_constraints)
636         (have_extra_constraints, have_const_int_constraints)
637         (have_const_dbl_constraints, mangle, add_constraint)
638         (process_define_constraint, process_define_register_constraint)
639         (write_enum_constraint_num, write_lookup_constraint)
640         (write_insn_constraint_len, write_regclass_for_constraint)
641         (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
642         (write_insn_extra_memory_constraint)
643         (write_insn_extra_address_constraint)
644         (write_satisfies_constraint_fns): New.
645         (write_tm_preds_h): If we have new-style constraint definitions,
646         prototype the functions generated from them, and define the
647         old constraint interface (still used by generic code) in terms of
648         those functions.
649         (write_insn_preds_c): If we have new-style constraint definitions,
650         generate all relevant functions from those definitions.
651         (main): Handle define_constraint etc.
652         * genoutput.c (struct constraint_data, indep_constraints)
653         (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
654         (mdep_constraint_len): New data structures and functions, defined
655         #ifdef USE_MD_CONSTRAINTS.
656         (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
657         (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
658         use new logic to validate operand constraints against constraint
659         definitions.
660         (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
661         defined.
662         * defaults.h: If none of the old-style constraint macros are
663         defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
664         old-style macros; and poison REG_CLASS_FROM_LETTER,
665         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
666         EXTRA_CONSTRAINT.
667         * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
668         * doc/md.texi: Document new constraint-definition mechanism and the
669         C interface it provides.  Remove references to old mechanism
670         elsewhere in the document.
671         (Machine Constraints): Use pathnames relative to gcc directory,
672         i.e. config/ARCH/FILE.  Change i386 section to refer to
673         config/i386/predicates.md; update that section to match docstrings.
674         * doc/tm.texi: Move all documentation of the old constraint-
675         definition macros to their own section, clearly mark as obsolete.
677         * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
678         (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
679         definitions.
680         * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
681         (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
682         * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
683         constraint strings.
684         (splits and peepholes): Use satisfies_constraint_*.
685         * config/i386/i386.c (memory_address_length)
686         (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
688 2006-02-27  Daniel Berlin  <dberlin@dberlin.org>
690         * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
691         scalar operation to be put back into the loop.
693 2006-02-27  Jakub Jelinek  <jakub@redhat.com>
695         PR other/26208
696         * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
697         (extract_cie_info): Handle S flag in augmentation string.
698         (execute_cfa_program): If context->signal_frame, execute also
699         fs->pc == context->ra instructions.
700         (uw_frame_state_for): If context->signal_frame, don't subtract one
701         from context->ra to find FDE.
702         (uw_update_context_1): Set context->signal_frame to
703         fs->signal_frame.
704         (_Unwind_GetIPInfo): New function.
705         * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
706         * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
707         of _Unwind_GetIP.
708         * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
709         * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
710         * unwind-compat.c (_Unwind_GetIPInfo): New function.
711         * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
712         * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
713         * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
714         * config/i386/linux-unwind.h (x86_fallback_frame_state,
715         x86_64_fallback_frame_state): Set fs->signal_frame.
716         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
717         (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
718         (frob_update_context): Likewise.  Workaround missing S flag in
719         Linux 2.6.12 - 2.6.16 kernel vDSOs.
720         * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
721         Remove the psw_addr + 1 hack.
723 2006-02-27  Daniel Berlin  <dberlin@dberlin.org>
725         * tree-ssa-structalias.c (get_constraint_for): Move code to deal
726         with aggregates here.
727         (find_func_aliases): Remove code for &<aggregate> from here.
729 2006-02-26  Roger Sayle  <roger@eyesopen.com>
731         * fold-const.c (fold_binary) <EQ_EXPR>:  Fold (~X & C) eq/ne 0 as
732         (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
733         Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
734         as (X & C) ne/eq 0.
736 2006-02-26  Roger Sayle  <roger@eyesopen.com>
738         PR middle-end/19983
739         * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
741 2006-02-26  Zdenek Dvorak <dvorakz@suse.cz>
743         * opts.c (decode_options): Do not handle flag_strength_reduce.
744         (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
745         and OPT_fstrength_reduce.
746         * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
747         flag_prefetch_loop_arrays for being nonzero.
748         * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
749         no-ops.
750         (fprefetch-loop-arrays-rtl): Removed.
751         (flag_prefetch_loop_arrays): Do not specify the value.
753         * doc/passes.texi: Update documentation of loop optimizer
754         passes.
755         * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
756         -frerun-loop-opt): Remove.
758 2006-02-26  Richard Guenther  <rguenther@suse.de>
760         PR tree-optimization/26421
761         * tree-ssa-alias.c (find_used_portions): Don't treat parameters
762         in function calls that are ADDR_EXPRs as using the whole structure.
764 2006-02-26  Steven Bosscher  <stevenb.gcc@gmail.com>
766         * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
767         * tree-pass.h (pass_loop_optimize): Remove.
768         * passes.c (pass_loop_optimize): Never run it.
769         * toplev.c (backend_init): Don't call init_loop.
770         * opts.c (flag_loop_optimize_set): Remove.
771         (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
772         (common_handle_option) <OPT_floop_optimize>: Remove.  Don't disable
773         the old RTL loop optimizer when profiling enabled.
774         * predict.c (tree_estimate_probability): Always strip builtin_expect.
775         * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
776         pre-headers for the sake of the old RTL loop optimizer.
777         * Makefile.in: Remove all references to loop.o.
779         * doc/invoke.texi: Remove all references to -floop-optimize
780         and -frerun-loop-opt.
782 2006-02-26  Zack Weinberg  <zackw@panix.com>
784         * doc/md.texi (Machine Constraints): Refer to all files with paths
785         relative to gcc directory (i.e. config/CPU/file).  Add missing
786         @table @code ... @end table to M32C subsection.
788 2006-02-26  Roger Sayle  <roger@eyesopen.com>
790         * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
791         (X & 1) == 0.
792         <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
794 2006-02-26  Roger Sayle  <roger@eyesopen.com>
795             James A. Morrison  <phython@gcc.gnu.org>
797         PR middle-end/21137
798         * fold-const.c (fold_binary) <EQ_EXPR>:  Fold ((X>>C1)&C2) eq/ne 0,
799         when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
800         new constant C2<<C1, or as (X<0) or (X,false) depending upon the
801         signedness of the shift operation.
803 2006-02-26  Dorit Nuzman  <dorit@il.ibm.com>
805         PR tree-optimization/26359
806         * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
808 2006-02-25  Roger Sayle  <roger@eyesopen.com>
810         * simplify-rtx.c (simplify_relational_operation_1):  Simplify
811         (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y.  Simplify (X^Y) == Y
812         as X == 0, and some symmetry related transformations.
813         Simplify (X^C1) == C2 as X == (C1^C2).  Split long comment line.
815 2006-02-25  Roger Sayle  <roger@eyesopen.com>
817         PR middle-end/23673
818         * fold-const.c (fold_binary) <EQ_EXPR>:  Fold (X^Y) == 0 as X == Y
819         and (X^Y) != 0 as X != Y.  Fold (X^Y) == Y as X == 0, and some
820         symmetry related transformations.  Fold (X^C1) == C2 as
821         X == (C1^C2).
823 2006-02-25  Juergen Weigert  <jw@suse.de>
824         Richard Guenther  <rguenther@suse.de>
826         * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
828 2006-02-24  Adam Nemet  <anemet@caviumnetworks.com>
830         * combine.c (gen_lowpart_or_truncate): Call
831         simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
833 2006-02-24  Diego Novillo  <dnovillo@redhat.com>
835         * doc/invoke.texi: Move -fopenmp description to "Options for
836         Code Generation".
837         Remove reference to -lgomp.
839 2006-02-24  David Edelsohn  <edelsohn@gnu.org>
841         * doc/install.texi: Require GNU tar version 1.14.
843 2006-02-24  Geoffrey Keating  <geoffk@apple.com>
845         * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
846         * doc/invoke.texi (C++ Dialect Options): Document
847         -fno-use-cxa-get-exception-ptr.
848         * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
849         * configure: Regenerate.
850         * c.opt (fuse-cxa-get-exception-ptr): New.
851         * c-opts.c (c_common_handle_option): Handle
852         OPT_fuse_cxa_get_exception_ptr.
853         * c-common.c (flag_use_cxa_atexit): Update documentation.
854         (flag_use_cxa_get_exception_ptr): New.
855         * c-common.h (flag_use_cxa_get_exception_ptr): New.
856         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
857         documentation.
858         (C_COMMON_OVERRIDE_OPTIONS): New.
860 2006-02-24  Roger Sayle  <roger@eyesopen.com>
862         PR middle-end/24952
863         * combine.c (try_combine): Explicitly check whether GET_CODE is
864         a SET or a CLOBBER, instead on checking that it isn't a USE.
866 2006-02-24  Roger Sayle  <roger@eyesopen.com>
868         * fold-const.c (fold_comparison): New subroutine of fold_binary
869         containing transformations common to both the equality and
870         ordering relational operators, factored out of fold_binary.
871         (fold_binary): Separate out the equality operators (EQ_EXPR
872         and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
873         LE_EXPR and GE_EXPR), calling fold_comparison to perform the
874         transformations common to both.
875         (fold_div_compare): Fix latent bugs in the previously unreachable
876         LT_EXPR and GE_EXPR cases.
878 2006-02-24  David Edelsohn  <edelsohn@gnu.org>
880         * config/rs6000/rs6000.c (rs6000_init_builtins): Change
881         decl libname for clog to __clog on AIX.
883         * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
885 2006-02-24  Alan Modra  <amodra@bigpond.net.au>
887         PR target/26453
888         * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
889         output traceback table for thunks.  Localise rs6000_stack_info call.
891 2006-02-23  Roger Sayle  <roger@eyesopen.com>
892             Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
894         * gthr-posix.h (__gthrw): Fix typo in comment.
896 2006-02-23  Geoffrey Keating  <geoffk@apple.com>
898         * doc/cpp.texi (Character sets): Document that we do support
899         input files to be in any character set.
901 2006-02-23  Jeff Law  <law@redhat.com>
903         * tree.h (PHI_ARG_NONZERO): Remove.
904         * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
905         (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
906         node to the new node.
908         PR tree-optimization/26425
909         * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
910         min/max, then assume its varying.
912 2006-02-23  Zdenek Dvorak <dvorakz@suse.cz>
914         PR rtl-optimization/26316
915         * rtlanal.c (enum may_trap_p_flags): New.
916         (may_trap_p_1): Take flags instead of unaligned_mems argument.  Ignore
917         MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
918         (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
919         (may_trap_after_code_motion_p): New function.
920         * loop-invariant.c (find_identical_invariants): Fix dump formating.
921         (find_invariant_insn): Use may_trap_after_code_motion_p.
922         * rtl.h (may_trap_after_code_motion_p): Declare.
924 2006-02-23  Zdenek Dvorak <dvorakz@suse.cz>
926         * emit-rtl.c (immed_double_const): Cleanup.
928 2006-02-23  Daniel Berlin  <dberlin@dberlin.org>
930         Fix PR tree-optimization/26376
931         * tree-ssa-structalias.c (find_func_aliases):  Use get_id_for_tree,
932         remove assert.
934 2006-02-23  Jakub Jelinek  <jakub@redhat.com>
936         PR middle-end/26412
937         * gimplify.c (omp_add_variable): Guard variable size decl test with
938         DECL_SIZE (decl) check.
940 2006-02-23  Richard Guenther  <rguenther@suse.de>
942         PR middle-end/26439
943         * tree-ssa-structalias.c (find_func_aliases): Handle complex types
944         like aggregate types.
946 2006-02-23  Jakub Jelinek  <jakub@redhat.com>
948         * configure.ac: Add --with{,out}-long-double-128 configure option.
949         (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
950         * configure: Rebuilt.
951         * config.in: Rebuilt.
952         * doc/install.texi (Options specification): Document
953         --with-long-double-128.
955         * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
956         (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
957         * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
958         (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
960 2006-02-23  Aldy Hernandez  <aldyh@redhat.com>
962         * config/s390/s390.c (override_options): Handle
963         TARGET_DEFAULT_LONG_DOUBLE_128.
965         * config/alpha/alpha.c (override_options): Handle
966         TARGET_DEFAULT_LONG_DOUBLE_128.
968         * config/sparc/sparc.c (sparc_override_options): Handle
969         TARGET_DEFAULT_LONG_DOUBLE_128.
971 2006-02-22  Daniel Jacobowitz  <dan@codesourcery.com>
973         * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
974         (real-install-headers-tar, real-install-headers-cpio)
975         (real-install-headers-cp): New targets.
977 2006-02-22  Richard Sandiford  <richard@codesourcery.com>
979         * tree.h (variable_section): Delete.
980         * varasm.c (variable_section): Delete.
982 2006-02-22  Paolo Bonzini  <bonzini@gnu.org>
984         * install.texi: Add notes on install.texi2html.
985         (Building in parallel): Do not use footnotes.
987 2006-02-21  Aldy Hernandez  <aldyh@redhat.com>
989         PR libgomp/26234
990         * doc/install.texi (Configuration): Document --disable-libgomp.
992 2006-02-21  Geoffrey Keating  <geoffk@apple.com>
994         * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
996 2006-02-21  Alexandre Oliva  <aoliva@redhat.com>
998         * config/i386/sse.md (vec_extractv2df_1_sse): New.
999         (vec_extractv2df_0_sse): New.
1001 2006-02-21  Alexandre Oliva  <aoliva@redhat.com>
1003         * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
1004         * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
1005         * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
1006         * dwarf2out.c (build_cfa_loc): New offset parameter.  Add it
1007         to the result of the expression.
1008         (def_cfa_1): Adjust.
1009         (frame_pointer_cfa_offset): Rename to...
1010         (frame_pointer_fb_offset): ... this.  Adjust all uses.
1011         (convert_cfa_to_loc_list): Rename to...
1012         (convert_cfa_to_fb_loc_list): ... this.  New offset parameter.
1013         Pass it on to build_cfa_loc.
1014         (compute_frame_pointer_to_cfa_displacement): Rename to...
1015         (compute_frame_pointer_to_fb_displacement): ... this.  New
1016         offset parameter.  Use it in computation.
1017         (gen_subprogram_die): Compute cfa_fb_offset with the new
1018         macro, and use it to compute the fb loc list and the
1019         displacement.
1021 2006-02-21  Bernd Schmidt  <bernd.schmidt@analog.com>
1023         * config/bfin/predicates.md (cc_operand): Delete predicate.  All uses
1024         replaced with register_operand.
1025         * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
1026         non-DREG is expensive.
1027         * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
1028         * config/bfin/bfin.md (movbi): Fix constraints and template for moves
1029         involving memory.
1031 2006-02-21  Joseph S. Myers  <joseph@codesourcery.com>
1033         * doc/install.texi2html: Use set -e.
1035 2006-02-21  Richard Sandiford  <richard@codesourcery.com>
1037         * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
1038         (ASM_OUTPUT_SHARED_LOCAL): Delete.
1039         * doc/invoke.texi (-fshared-data): Delete.
1040         * common.opt (fshared-data): Delete.
1041         * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
1042         (assemble_static_space): Remove #if 0 code.
1043         * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
1044         (ASM_OUTPUT_SHARED_LOCAL): Poison.
1045         * config/cris/cris.h: Remove FIXME.
1047 2006-02-21  Paolo Bonzini  <bonzini@gnu.org>
1049         * doc/sourcebuild.texi (Front End Directory): No more double-colon
1050         hooks.
1052 2006-02-21  Jakub Jelinek  <jakub@redhat.com>
1054         PR middle-end/26379
1055         * combine.c (simplify_shift_const_1): Disable nested shifts
1056         optimization for vector shifts.
1058 2006-02-20  Roger Sayle  <roger@eyesopen.com>
1060         PR tree-optimization/26361
1061         * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
1062         of unsigned integer types.
1064 2006-02-20  Sebastian Pop  <pop@cri.ensmp.fr>
1066         * tree-chrec.c (eq_evolutions_p): New.
1067         * tree-chrec.h (eq_evolutions_p): Declared.
1068         * tree-data-ref.c: Fix formatting.
1069         (datadep_stats, dependence_stats): New.
1070         (gcd): Moved...
1071         (print_direction_vector): New.
1072         (dump_data_dependence_relation): Use print_direction_vector.
1073         (object_analysis, create_data_ref): Handle COMPONENT_REF.
1074         (compute_subscript_distance): Static.
1075         (initialize_data_dependence_relation): Static.  Get the number
1076         of loops surrounding the references from the callers, and initialize
1077         DDR_SIZE_VECT to nb_loops.  Use both base_addr_differ_p and
1078         base_object_differ_p analyzers.
1079         (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
1080         compute_overlap_steps_for_affine_1_2,
1081         analyze_subscript_affine_affine): Count the classified dependences.
1082         Print a message when a test failed.
1083         (can_use_analyze_subscript_affine_affine): New.
1084         (analyze_siv_subscript): Compute the data dependences on symbolic
1085         scevs that verify can_use_analyze_subscript_affine_affine.
1086         (chrec_steps_divide_constant_p): Returns true, false, or unknown.
1087         (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
1088         Handle symbolic scevs.
1089         (analyze_overlapping_iterations): Let symbolic affine scevs to be
1090         analyzed.
1091         (subscript_dependence_tester): Moved...
1092         (build_classic_dist_vector, build_classic_dir_vector): Don't use
1093         lambda_vector_clear on newly allocated vectors.  Get nb_loops from
1094         DDR_SIZE_VECT instead of getting it in parameter.
1095         (subscript_dependence_tester): ... here.  Take as a parameter
1096         loop_nest_depth.  Call build_classic_dist_vector and
1097         build_classic_dir_vector.
1098         (compute_affine_dependence): Update subscript_dependence_tester
1099         parameters.  Update datadep_stats counters.  Call
1100         compute_subscript_distance.
1101         (compute_self_dependence): Save the dist and dir vectors.  Call
1102         compute_subscript_distance.
1103         (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
1104         (compute_all_dependences): Reorder parameters as they were before
1105         conversion to VEC.  Pass nb_loops and loop_nest_depth.  Don't call
1106         compute_subscript_distance.  Update the use of
1107         compute_affine_dependence and initialize_data_dependence_relation.
1108         (find_data_references_in_loop): Handle COMPONENT_REF.
1109         (compute_data_dependences_for_loop): Initialize dependence_stats.
1110         Don't call build_classic_dist_vector and build_classic_dir_vector.
1111         Update the parameters of initialize_data_dependence_relation and
1112         compute_all_dependences.  Print the statistics from datadep_stats.
1113         (analyze_all_data_dependences): Static.  Not used until the pass for
1114         checking the data dependences is contributed.
1115         * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
1116         DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
1117         (initialize_data_dependence_relation, compute_affine_dependence,
1118         analyze_all_data_dependences, compute_subscript_distance): Removed.
1119         (print_direction_vector): New.
1120         * lambda.h (gcd): ... here.
1121         (lambda_vector_gcd): Moved here from gcd_vector.
1122         * lambda-code.c (gcd, gcd_vector): Removed.
1123         (lambda_compute_target_space): Use lambda_vector_gcd.  Fix formatting.
1124         * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
1126 2006-02-20  Diego Novillo  <dnovillo@redhat.com>
1128         * ipa-type-escape.c: Tidy some comments and white space.
1129         * tree-ssa-operands.c: Likewise.
1131 2006-02-20  Andrew Pinski  <pinskia@physics.uc.edu>
1133         PR tree-opt/25879
1134         * tree-pretty-print.c (debug_tree_chain): Walk the chains.
1135         (dump_decl_name): Do not walk the decl tree chains.
1136         * tree-pass.h (TDF_CHAIN): Remove.
1138 2006-02-20  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
1140         * Makefile.in (C): Remove
1141         (PROTO): Remove
1142         (.PHONY): Remove C and PROTO
1144 2006-02-20  Roger Sayle  <roger@eyesopen.com>
1146         PR middle-end/26236
1147         * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
1148         deprecated CHAR_TYPE tree code.
1150 2006-02-20  Paolo Bonzini  <bonzini@gnu.org>
1152         * configure.ac (target_list): Add install-info, dvi, html.
1153         * configure: Regenerate.
1155         * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
1156         java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
1157         treelang/Make-lang.in: Do not use double-colon rules.
1159 2006-02-20  Daniel Berlin  <dberlin@dberlin.org>
1161         * tree.h (struct tree_memory_tag): Add is_used_alone member.
1162         (TMT_USED_ALONE): New macro.
1163         * tree-pass.h (PROP_tmt_usage): New property.
1164         (TODO_update_tmt_usage): New todo.
1165         * tree-ssa-alias.c (updating_used_alone): New variable.
1166         (recalculate_used_alone): New function.
1167         (compute_may_aliases): Set updating_used_alone, call
1168         recalculate_used_alone.
1169         * tree-sra.c (pass_sra): Note that this pass destroys
1170         PROP_tmt_usage, and add TODO_update_tmt_usage.
1171         * tree-ssa-forwprop.c (pass_forwprop): Ditto.
1172         * tree-flow.h (updating_used_alone): Prototype.
1173         (recalculate_used_alone): Ditto.
1174         * passes.c (execute_todo): Add code to set updating_used_alone,
1175         and call recalculate.
1176         * tree-ssa-operands.c (add_virtual_operand): Only append bare def
1177         for clobber if used alone, and add assert to verify used_alone
1178         status.
1180 2006-02-20  Angel Nunez Mencias  <anunez@de.ibm.com>
1182         * config/s390/s390.c (legitimize_pic_address): Assertions checking
1183         for non tls symbols added.
1184         (legitimize_address): Do nothing for PLUS expressions if one of the
1185         addends is a tls symbol reference.
1187 2006-02-20  Paolo Bonzini  <bonzini@gnu.org>
1189         PR bootstrap/25476
1191         * Makefile.in (LDFLAGS): Define from autoconf substitution.
1193         * Makefile.in (BOOTSTRAPPING): New.
1194         (quickstrap): New definition if BOOTSTRAPPING=yes.
1196         * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
1197         * configure.ac: Substitute all_selected_languages with the languages
1198         that were configured.  For all the other variables except
1199         lang_specs_files, include all the languages in the tree.
1200         * configure: Regenerate.
1202         * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
1203         if there is one.  Run the commands to run fixincludes in the same
1204         subshell.
1206         * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
1207         * doc/install.texi: Document exact conventions for searching target tools.
1208         Document --with-build-time-tools.  Document toplevel bootstrap.  Document
1209         something more about building an Ada cross-compiler.  Don't list GNU Make
1210         requirements which affect all platforms.
1212 2006-02-19  Roger Sayle  <roger@eyesopen.com>
1214         PR middle-end/19543
1215         * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
1216         only equivalent if the have both the same mode and precision.
1218 2006-02-20  Ben Elliston  <bje@au.ibm.com>
1220         * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
1222 2006-02-19  Roger Sayle  <roger@eyesopen.com>
1223             Steven Bosscher  <stevenb.gcc@gmail.com>
1225         * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
1226         constant pool references to identify stack mode constants.
1227         * rtlanal.c (constant_pool_constant_p): New predicate to check
1228         whether operand is a floating point constant in the pool.
1229         * rtl.h (constant_pool_constant_p): Prototype here.
1230         * loop.c (scan_loop): Avoid hoisting constants from the constant
1231         pool on STACK_REGS targets.
1232         (load_mems): Likewise.
1233         * loop-invariant.c (get_inv_cost): Make hoisting constant pool
1234         loads into x87 registers expensive in terms of register pressure.
1236 2006-02-19  Roger Sayle  <roger@eyesopen.com>
1238         * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
1239         __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
1241 2006-02-19  David Edelsohn  <edelsohn@gnu.org>
1243         * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
1244         * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
1246 2006-02-19  Daniel Berlin  <dberlin@dberlin.org>
1248         * doc/invoke.texi: Document -fipa-pta.
1249         * common.opt: Add ipa-pta option.
1250         * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
1251         (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
1252         (do_ds_constraint): Ditto.
1253         (get_constraint_for): Only add to referenced_vars if
1254         referenced_vars exists.
1255         (insert_into_field_list): Rewrite to do this unsorted.
1256         (insert_into_field_list_sorted): Rename old insert_into_field_list
1257         to this.
1258         (create_function_info_for): Use insert_into_field_list_sorted.
1259         (create_variable_info_for): Rewrite so it uses unsorted version,
1260         since the field list is sorted.
1261         (intra_create_variable_infos): Only add to referenced_vars if
1262         referenced_vars exists.
1263         (ipa_pta_execute): Init heapvars, and delete when done.
1264         * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
1266 2006-02-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1268         * doc/install.texi: Add missing `@samp'.
1270 2006-02-18  Andrew Pinski <pinskia@physics.uc.edu>
1272         * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
1273         Use the arguments.
1275 2006-02-18  Mark Wielaard  <mark@klomp.org>
1277         * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
1278         who added new 4.1 features, bug fixes and integration support.
1280 2006-02-18  David Edelsohn  <edelsohn@gnu.org>
1282         PR target/26350
1283         * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
1284         MEM for ABI_V4 pic.
1286 2006-02-18  Richard Sandiford  <richard@codesourcery.com>
1288         * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
1289         * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
1290         (copy_insn_1): Likewise.  Don't copy each field individually.
1291         Reindent.
1292         * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
1293         of RTX_SIZE.
1294         * reload1.c (eliminate_regs): Use shallow_copy_rtx.
1295         * rtl.c (rtx_size): Rename variable to...
1296         (rtx_code_size): ...this.
1297         (rtx_size): New function.
1298         (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
1299         (copy_rtx): Use shallow_copy_rtx.  Don't copy each field individually.
1300         Reindent.
1301         (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
1302         * rtl.h (rtx_code_size): New variable.
1303         (rtx_size): Change from a variable to a function.
1304         (RTX_SIZE): Rename to...
1305         (RTX_CODE_SIZE): ...this.
1307         PR target/9703
1308         PR tree-optimization/17106
1309         * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
1310         (Anchored Addresses): New section.
1311         * doc/invoke.texi (-fsection-anchors): Document.
1312         * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
1313         (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
1314         (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
1315         * hooks.c (hook_bool_mode_rtx_false): New function.
1316         * hooks.h (hook_bool_mode_rtx_false): Declare.
1317         * gengtype.c (create_optional_field): New function.
1318         (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
1319         SYMBOL_REF_IN_BLOCK_P is true.
1320         * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
1321         (min_anchor_offset, max_anchor_offset): Likewise.
1322         (use_anchors_for_symbol_p): New hook.
1323         * toplev.c (compile_file): Call output_object_blocks.
1324         (target_supports_section_anchors_p): New function.
1325         (process_options): Check that -fsection-anchors is only used on
1326         targets that support it and when -funit-at-a-time is in effect.
1327         * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
1328         if the decl doesn't have one.
1329         * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
1330         * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
1331         of force_const_mem through use_anchored_address.
1332         (expand_expr_constant): New function.
1333         (expand_expr_addr_expr_1): Call it.  Use the same modifier when
1334         calling expand_expr for INDIRECT_REF.
1335         (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
1336         for all modifiers except EXPAND_INITIALIZER.  Use expand_expr_constant.
1337         * expr.h (use_anchored_address): Declare.
1338         * loop-unroll.c: Don't declare rtx vectors here.
1339         * explow.c: Include output.h.
1340         (validize_mem): Call use_anchored_address.
1341         (use_anchored_address): New function.
1342         * common.opt (-fsection-anchors): New switch.
1343         * varasm.c (object_block_htab, anchor_labelno): New variables.
1344         (hash_section, object_block_entry_eq, object_block_entry_hash)
1345         (use_object_blocks_p, get_block_for_section, create_block_symbol)
1346         (use_blocks_for_decl_p, change_symbol_section): New functions.
1347         (get_variable_section): New function, split out from assemble_variable.
1348         (make_decl_rtl): Create a block symbol if use_object_blocks_p and
1349         use_blocks_for_decl_p say so.  Use change_symbol_section if the
1350         symbol has already been created.
1351         (assemble_variable_contents): New function, split out from...
1352         (assemble_variable): ...here.  Don't output any code for
1353         block symbols; just pass them to place_block_symbol.
1354         Use get_variable_section and assemble_variable_contents.
1355         (get_constant_alignment, get_constant_section, get_constant_size): New
1356         functions, split from output_constant_def_contents.
1357         (build_constant_desc): Create a block symbol if use_object_blocks_p
1358         says so.  Or into SYMBOL_REF_FLAGS.
1359         (assemble_constant_contents): New function, split from...
1360         (output_constant_def_contents): ...here.  Don't output any code
1361         for block symbols; just pass them to place_section_symbol.
1362         Use get_constant_section and get_constant_alignment.
1363         (force_const_mem): Create a block symbol if use_object_blocks_p and
1364         use_blocks_for_constant_p say so.  Or into SYMBOL_REF_FLAGS.
1365         (output_constant_pool_1): Add an explicit alignment argument.
1366         Don't switch sections here.
1367         (output_constant_pool): Adjust call to output_constant_pool_1.
1368         Switch sections here instead.  Don't output anything for block symbols;
1369         just pass them to place_block_symbol.
1370         (init_varasm_once): Initialize object_block_htab.
1371         (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
1372         (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
1373         (place_block_symbol, get_section_anchor, output_object_block)
1374         (output_object_block_htab, output_object_blocks): New functions.
1375         * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
1376         (TARGET_ASM_OUT): Include it.
1377         (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
1378         (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
1379         (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
1380         (TARGET_INITIALIZER): Include them.
1381         * rtl.c (rtl_check_failed_block_symbol): New function.
1382         * rtl.h: Include vec.h.  Declare heap and gc rtx vectors.
1383         (block_symbol, object_block): New structures.
1384         (rtx_def): Add a block_symbol field to the union.
1385         (BLOCK_SYMBOL_CHECK): New macro.
1386         (rtl_check_failed_block_symbol): Declare.
1387         (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
1388         (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
1389         (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
1390         (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
1391         * output.h (output_section_symbols): Declare.
1392         (object_block): Name structure.
1393         (place_section_symbol, get_section_anchor, default_asm_output_anchor)
1394         (default_use_anchors_for_symbol_p): Declare.
1395         * Makefile.in (RTL_BASE_H): Add vec.h.
1396         (explow.o): Depend on output.h.
1397         * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
1398         (TARGET_MAX_ANCHOR_OFFSET): Likewise.
1399         (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
1400         (rs6000_use_blocks_for_constant_p): New function.
1402 2006-02-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1404         * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
1406 2006-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
1408         PR tree-opt/25680
1409         * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
1410         IMAGPART_EXPR.
1412 2006-02-18  Diego Novillo  <dnovillo@redhat.com>
1414         * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
1415         is_aliased.
1416         Update all users.
1418 2006-02-18  Jakub Jelinek  <jakub@redhat.com>
1420         PR middle-end/26334
1421         * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
1422         instead of DECL_REGISTER.
1424 2006-02-18  Olivier Hainque  <hainque@adacore.com>
1426         PR ada/13408
1427         * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
1429 2006-02-18  Joseph S. Myers  <joseph@codesourcery.com>
1431         PR target/24837
1432         * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
1433         * opth-gen.awk: Handle Var and InverseMask together.
1434         * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
1435         * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
1436         (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
1437         (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
1438         used together.
1439         (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
1440         LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1441         * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
1442         UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1443         LINUX_DYNAMIC_LINKER): Define.
1444         (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
1445         * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
1446         TARGET_GLIBC.
1447         * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1448         (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
1449         * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1450         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1451         (TARGET_C99_FUNCTIONS): Don't define.
1452         * config/i386/linux.h (DYNAMIC_LINKER): Rename to
1453         GLIBC_DYNAMIC_LINKER.
1454         (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
1455         * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
1456         GLIBC_DYNAMIC_LINKER64): Define.
1457         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
1458         LINUX_DYNAMIC_LINKER64.
1459         * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1460         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1461         * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
1462         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1463         * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1464         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1465         * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
1466         GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
1467         UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
1468         (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
1469         and LINUX_DYNAMIC_LINKER32.
1470         * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1471         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1472         * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
1473         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1474         * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
1475         TARGET_GLIBC.
1476         * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
1477         (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
1478         UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
1479         CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1480         LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1481         (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
1482         (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
1483         * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
1484         UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1485         LINUX_DYNAMIC_LINKER): Define.
1486         (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
1487         * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
1488         GLIBC_DYNAMIC_LINKER64): Define.
1489         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
1490         LINUX_DYNAMIC_LINKER64.
1491         * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1492         (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1493         * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
1494         UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
1495         LINUX_DYNAMIC_LINKER): Define.
1496         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1497         (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
1498         * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
1499         GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
1500         UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
1501         LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
1502         (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
1503         (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
1504         (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
1505         * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1506         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1507         * doc/invoke.texi (-muclibc): Remove caveat about supported
1508         targets.
1510 2006-02-17  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
1512         * doc/cpp.texi (__TIMESTAMP__): Document.
1514 2006-02-17  Roger Sayle  <roger@eyesopen.com>
1516         PR middle-end/25600
1517         * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
1518         C is one less than the width of X (and related transformations).
1519         * simplify-rtx.c (simplify_unary_operation_1): Transform
1520         (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
1521         depending on STORE_FLAG_VALUE, were C is one less then the
1522         width of X.
1524 2006-02-17  Daniel Berlin  <dberlin@dberlin.org>
1526         Fix PR tree-optimization/26341
1527         * tree-ssa-operands.c (add_virtual_operand): Remove assert
1528         about NAME_MEMORY_TAG's.
1530 2006-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1532         PR target/26255
1533         * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
1534         with hardware float support, and software float support.  Add fcpy
1535         alternative to hardware patterns.  Add alternatives to copy between
1536         general and floating-point registers to the 32-bit pattern.
1537         * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
1538         secondary reload to load a QI or HI mode constant into a floating
1539         point register.
1540         * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
1541         * pa64-regs.h (VALID_FP_MODE_P): Likewise.
1543 2006-02-17  Andrew Pinski  <pinskia@physics.uc.edu>
1545         PR target/26272
1546         * config/rs6000/darwin.md (load_macho_picbase_si): Add
1547         pc to the pattern.
1548         (load_macho_picbase_di): Likewise.
1550 2006-02-16  Jeff Law  <law@redhat.com>
1552         * tree-vrp.c (set_value_range_to_nonnegative): New function.
1553         (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
1554         (ssa_name_nonzero_p): Likewise.
1555         (get_value_range): Return NULL if VRP is not running.
1556         (extract_range_from_expr): Fallback to tree_expr_XXX_p if
1557         VRP routines do not discover a range.
1558         (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
1559         * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
1560         * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
1561         (tree_expr_nonnegative_p): Similarly.
1562         * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
1563         (restore_nonzero_vars_to_original_value): Remove.
1564         (unsafe_associative_fp_binop): Remove.
1565         (tree_ssa_dominator_optimize): Remove initialization and
1566         finalization of nonzero_vars and nonzero_vars_stack.
1567         (dom_opt_initialize_block): No longer push marker on
1568         nonzero_vars_stack.
1569         (dom_opt_finalize_block): No longer call
1570         restore_nonzero_vars_to_original_value.
1571         (record_equivalences_from_phis): No longer look for
1572         nonzero PHI arguments.
1573         (cprop_into_successor_phis): No longer propagate nonzero
1574         property into PHI arguments.  Lose unused argument.  Caller
1575         updated.
1576         (record_equivalences_from_stmt): No longer record nonzero
1577         values for SSA_NAMEs.
1578         (lookup_avail_expr): No longer use nonzero_vars.
1580         * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
1581         for sizetype when sizetype is unsigned.
1583 2006-02-16  Denis Nagorny <denis_nagorny@linux.intel.com>
1585         PR rtl-optimization/25603
1586         * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
1587         (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
1588         * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
1589         with new meaning of SETS.
1591 2006-02-16  Joseph S. Myers  <joseph@codesourcery.com>
1593         PR target/20353
1594         PR target/24578
1595         PR target/24837
1596         * config/linux.opt: New file.
1597         * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
1598         LINUX_DYNAMIC_LINKER): Define.
1599         (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
1600         * config.gcc (*-*-linux*): Define extra_options.
1601         (*-*-*uclibc*): Define UCLIBC_DEFAULT.
1602         (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
1603         * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
1604         GLIBC_DYNAMIC_LINKER.
1605         * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
1606         (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1607         * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
1608         (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
1609         * doc/invoke.texi (GNU/Linux Options): New section.
1611 2006-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
1613         * config/sparc/sparc.md (setjmp): Rewrite.
1614         (setjmp_32): Delete.
1615         (setjmp_64): Likewise.
1617 2006-02-16  Daniel Berlin <dberlin@dberlin.org>
1619         * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
1620          previous change.
1622 2006-02-16  Zdenek Dvorak <dvorakz@suse.cz>
1624         * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
1625         read-write uses.
1627 2006-02-16  Zdenek Dvorak <dvorakz@suse.cz>
1629         PR rtl-optimization/26296
1630         * Makefile.in (loop-invariant.c): Add except.h dependency.
1631         * loop-invariant.c: Include except.h.
1632         (find_invariant_insn): Ignore insns satisfying can_throw_internal.
1634 2005-02-16  Paul Brook  <paul@codesourcery.com>
1636         * reload1.c (emit_reload_insns): Invalidate dead input registers used
1637         for reloads.
1639 2006-02-16  Bernd Schmidt  <bernd.schmidt@analog.com>
1641         PR rtl-optimization/25636
1642         * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
1643         when deciding whether an insn is an initializing insn.
1645 2006-02-15 Daniel Berlin  <dberlin@dberlin.org>
1647         * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
1648         (tree_code_size): Ditto.
1649         * tree.h (struct tree_memory_tag): Remove parent_var.
1650         (struct tree_struct_field_tag): New.
1651         (SFT_OFFSET): New.
1652         (SFT_SIZE): New.
1653         (union tree_node): Add sft member.
1654         * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
1655         specially here.
1656         (create_sft): Add size and offset argument, set SFT_OFFSET and
1657         SFT_SIZE.
1658         (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
1659         * treestruct.def: Add TS_STRUCT_FIELD_TAG.
1660         * tree-flow-inline.h (get_subvar_at): Update for
1661         SFT_OFFSET/SFT_SIZE.
1662         (var_can_have_subvars): Ditto.
1663         (overlap_subvar): Ditto.
1664         * print-tree.c (print_node): Print out interesting things for
1665         SFT's.
1666         * tree-flow.h (struct subvar): Remove offset and size members.
1667         * tree-ssa-operands.c (get_expr_operands): Update for
1668         get_indirect_ref_operands changes.
1669         (get_indirect_ref_operands): Call add_virtual_operand instead of
1670         add_stmt_operand.  Only recurse on base var if requested.
1671         (access_can_touch_variable): New function.
1672         (add_stmt_operand): Split virtual operand handling into ...
1673         (add_virtual_operand): Here.  Add offset, size, and for_clobber
1674         arguments.  Prune alias sets.
1675         (add_call_clobber_ops): Call add_virtual_operand.
1677 2006-02-15  Jakub Jelinek  <jakub@redhat.com>
1679         PR middle-end/26300
1680         * combine.c (make_extraction): Bail out if ORIG_POS is negative.
1682         * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
1683         than TREE_CODE as index into omp_clause_num_ops array.
1685 2006-02-15  Uttam Pawar  <uttamp@us.ibm.com>
1687         PR rtl-optimization/26184
1688         * modulo-sched.c (generate_reg_moves): Free bitmap vector
1689         uses_of_defs.
1690         * modulo-sched.c (sms_schedule): Free g_arr pointer.
1691         * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
1692         must_precede, must_follow and tobe_scheduled.
1694         PR other/26147
1695         * opts.c (common_handle_option): Free new_option pointer.
1696         * df-core.c (df_analyze): Free postorder pointer.
1698 2006-02-15  Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
1700         * Makefile.in: Fix the examples about the use of stamps
1702 2006-02-15  Michael Matz  <matz@suse.de>
1704         PR middle-end/22275
1706         * stor-layout.c (layout_decl): Zero-width bitfields aren't
1707         influenced by maximum_field_alignment or DECL_PACKED.
1708         (update_alignment_for_field): Ditto.
1709         (place_field): Ditto.
1710         * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
1711         this behaviour.
1713 2006-02-15  Paolo Bonzini  <bonzini@gnu.org>
1715         * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
1716         (debug_flow_info): Pass it.
1717         * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
1718         * bb-reorder.c (reorder_basic_blocks): Likewise.
1719         * cfgcleanup.c (rest_of_handle_jump2): Likewise.
1720         * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
1721         * flow.c (life_analysis, recompute_reg_usage): Likewise.
1722         * gcse.c (gcse_main, bypass_jumps): Likewise.
1723         * ifcvt.c (rest_of_handle_if_conversion): Likewise.
1724         * local-alloc.c (rest_of_handle_local_alloc): Likewise.
1725         * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
1726         * profile.c (compute_branch_probabilities, branch_prob): Likewise.
1727         * rtl.h (dump_flow_info): Adjust prototype.
1728         * tracer.c (rest_of_handle_tracer, tracer): Likewise.
1729         * var-tracking.c (variable_tracking_main): Likewise.
1730         * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
1731         * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
1732         options.
1734 2006-02-15  Marcin Dalecki <martin@dalecki.de>
1736         * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
1737         construction.
1739 2006-02-14  Zdenek Dvorak <dvorakz@suse.cz>
1741         PR tree-optimization/26209
1742         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
1743         * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
1744         eh edges.
1745         * tree-cfg.c (replace_uses_by): Do not alter cfg.
1747 2006-02-14  Roger Sayle  <roger@eyesopen.com>
1749         PR middle-end/23670
1750         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
1751         (X,Y) and the corresponding symmetry related transformations.
1752         (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
1753         (X,Y) and its symmetry related transformations.
1755 2006-02-14  Roger Sayle  <roger@eyesopen.com>
1757         * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
1758         and GEU.
1760 2006-02-14  Adam Nemet  <anemet@caviumnetworks.com>
1762         * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
1764 2006-02-14  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
1766         PR bootstrap/26053
1767         * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
1768         support COMDAT group.
1769         * configure: Regenerate.
1771 2006-02-14  Roger Sayle  <roger@eyesopen.com>
1773         PR middle-end/26279
1774         PR middle-end/26280
1775         PR middle-end/26283
1776         * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
1778 2006-02-14  Daniel Berlin  <dberlin@dberlin.org>
1780         Fix PR tree-optimization/26260
1782         * doc/invoke.texi (max-fields-for-field-sensitive): Document
1783         param.
1784         * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
1785         * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
1786         * tree-ssa-structalias.c (create_variable_info_for): Use
1787         MAX_FIELDS_FOR_FIELD_SENSITIVE.
1789 2006-02-14  Zdenek Dvorak <dvorakz@suse.cz>
1791         * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
1792         Document.
1793         * tree-ssa-loop-niter.c (number_of_iterations_ne,
1794         number_of_iterations_lt, number_of_iterations_cond): Remember the shape
1795         of the ending condition.
1796         * tree-ssa-loop-manip.c: Include params.h.
1797         (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
1798         tree_unroll_loop): New functions.
1799         * tree-pass.h (pass_loop_prefetch): Declare.
1800         * loop.c (rest_of_handle_loop_optimize): Test for
1801         -fprefetch-loop-arrays-rtl.
1802         * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
1803         * timevar.def (TV_TREE_PREFETCH): New timevar.
1804         * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
1805         pass_loop_prefetch): New.
1806         * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
1807         (cleanup_tree_cfg_loop): Call scev_reset.
1808         * common.opt (fprefetch-loop-arrays-rtl): Add.
1809         * tree-ssa-loop-prefetch.c: New file.
1810         * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
1811         (new_temp_expr_table): Initialize expr_vars.
1812         (free_temp_expr_table): Cleanup expr_vars.
1813         (check_replaceable, find_replaceable_in_bb): Prevent accumulating
1814         expressions from being merged into one.
1815         * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
1816         (struct tree_niter_desc): Add control, bound and cmp fields.
1817         (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
1818         Declare.
1819         * Makefile.in (tree-ssa-loop-prefetch.o): Add.
1820         (tree-cfgcleanup.o): Add SCEV_H dependency.
1821         (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
1822         * passes.c (init_optimization_passes): Add pass_loop_prefetch.
1824 2006-02-14  Richard Guenther  <rguenther@suse.de>
1826         PR tree-optimization/26258
1827         * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
1828         in PHI argument processing.
1830 2006-02-13  Adam Nemet  <anemet@caviumnetworks.com>
1832         * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
1833         new expression in the requested machine mode.
1835 2006-02-13  Roger Sayle  <roger@eyesopen.com>
1837         * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
1838         directly, instead let do_compare_rtx_and_jump handle this for us.
1839         * expr.c (expand_expr_real_1): Likewise.
1840         * dojump.c (do_jump_by_parts_greater_rtx): Make static.  Move
1841         before do_jump_by_parts_greater.
1842         (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
1843         * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
1845 2006-02-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1847         * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
1849 2006-02-13  Zdenek Dvorak <dvorakz@suse.cz>
1851         PR rtl-optimization/26235
1852         * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
1853         (invariant_expr_equal_p): Handle 'i' and 'n' formats.  Fail on unknown
1854         format.
1856 2006-02-13  Jeff Law  <law@redhat.com>
1858         * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
1859         TRUTH_XOR_EPR.
1861 2006-02-13  Jakub Jelinek  <jakub@redhat.com>
1863         PR middle-end/26092
1864         * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
1865         twice if decl is a builtin.  When trying again, call get_callee_fndecl
1866         first to verify it is still a builtin.
1868 2006-02-13  Geoffrey Keating  <geoffk@apple.com>
1870         * dwarf2out.c (base_type_die): Don't add AT_name here.
1871         (subrange_type_die): Don't add AT_name here.
1872         (modified_type_die): Rearrange code flow.  Do add AT_name here.
1874 2006-02-13  Zdenek Dvorak <dvorakz@suse.cz>
1876         PR rtl-optimization/26247
1877         PR rtl-optimization/26248
1878         * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
1880 2006-02-13  Richard Sandiford  <richard@codesourcery.com>
1882         * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
1883         * config/fixtfdi.c: Likewise.
1884         * config/fixunstfdi.c: Likewise.
1885         * config/floatditf.c: Likewise.
1887 2006-02-13  Roger Sayle  <roger@eyesopen.com>
1889         PR middle-end/24427
1890         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
1891         into (X,C2) if C1 is a subset of the bits of C2.  Transform
1892         (X&C1)|C2 into X|C2 if C1|C2 == ~0.  Canonicalize (X&C1)|C2 as
1893         (X&(C1&~C2))|C2.
1894         <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
1896 2006-02-13  Josh Conner  <jconner@apple.com>
1898         PR target/25376
1899         * varasm.c (function_section): Check for section name before
1900         calling select_section on targets that define
1901         USE_SELECT_SECTION_FOR_FUNCTIONS.  On other targets, use
1902         unlikely_text_section instead of hot_function_section if
1903         first_function_block_is_cold.
1905 2006-02-13  J"orn Rennecke <joern.rennecke@st.com>
1907         PR middle-end/25335
1908         * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
1910 2006-02-12  Zdenek Dvorak <dvorakz@suse.cz>
1912         PR rtl-optimization/26222
1913         * function.c (assign_stack_temp_for_type): Do not reuse stack slots
1914         after tree->rtl expansion.
1915         * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
1916         before passing it to emit_move_insn.
1918 2006-02-12  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1920         * doc/invoke.texi (-Write-strings): Document that it is enabled by
1921         default.
1922         * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
1923         Clarify documentation.
1924         * c-common.h (warn_write_strings): Remove.
1925         * c-common.c (warn_write_strings): Likewise.
1926         * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
1927         default for C++.
1929 2006-02-12  Roger Sayle  <roger@eyesopen.com>
1931         PR middle-end/25724
1932         * dojump.c (do_jump): Call do_compare_rtx_and_jump.
1933         (do_jump_parts_zero_rtx): New function renamed from
1934         do_jump_parts_equality_rtx.  Made static.  Add a mode argument.
1935         (do_jump_parts_equality_rtx): New function split out from
1936         do_jump_parts_equality.  Old implementation renamed as above.
1937         Call do_jump_parts_zero_rtx if either operand is zero.
1938         (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
1939         do all of the heavy lifting.
1940         (do_compare_rtx_and_jump): Handle multi-word comparisons by
1941         calling either do_jump_by_parts_greater_rtx or
1942         do_jump_by_parts_equality_rtx.
1943         * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
1944         * expmed.c (do_cmp_and_jump): Now multi-word optimization has
1945         moved to do_compare_rtx_and_jump, call it directly.
1946         * stmt.c (do_jump_if_equal): Remove static prototype.  Add a
1947         mode argument.  Call do_compare_rtx_and_jump.
1948         (emit_case_nodes): Update calls to do_jump_if_equal.
1950 2006-02-12  Zdenek Dvorak <dvorakz@suse.cz>
1952         PR rtl-optimization/26225
1953         * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
1955 2006-02-12  Zdenek Dvorak <dvorakz@suse.cz>
1957         PR rtl-optimization/26232
1958         * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
1960 2006-02-11  Jason Merrill  <jason@redhat.com>
1962         PR tree-opt/24365
1963         * tree-inline.c (declare_return_variable): Just don't use the
1964         modify target if it's a gimple complex reg and the return slot
1965         isn't.
1967 2006-02-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1969         * doc/contrib.texi: Update my entry.
1971 2006-02-10  Geoffrey Keating  <geoffk@apple.com>
1973         * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
1975 2006-02-10  Diego Novillo  <dnovillo@redhat.com>
1977         * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
1978         expensive.
1980 2006-02-10  Zdenek Dvorak <dvorakz@suse.cz>
1982         * doc/invoke.texi (-floop-optimize2): Removed.
1983         * toplev.c (process_options): Remove handling of flag_loop_optimize2.
1984         * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
1985         Test flag_branch_on_count_reg only if HAVE_doloop_end.
1986         * common.opt (floop-optimize2): Removed.
1987         (fmove-loop-invariants): Enabled by default.
1989 2006-02-10  Sebastian Pop  <pop@cri.ensmp.fr>
1991         * tree-if-conv.c (combine_blocks): Free the result of
1992         get_loop_exit_edges.
1994 2006-02-10  Jeff Law  <law@redhat.com>
1996         * fold-const.c (tree_expr_nonzero_p): Fix thinko.
1998         PR tree-optimization/26213
1999         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
2000         loop trying to follow SSA_NAME_VALUE chains.
2002 2006-02-10  Richard Guenther  <rguenther@suse.de>
2004         * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
2005         deal with structures that end in implicitly variable sized arrays.
2007 2006-02-09  Zdenek Dvorak <dvorakz@suse.cz>
2009         PR rtl-optimization/24762
2010         * df-scan.c (df_bb_refs_record): Record correct registers defined on
2011         eh edges.
2013 2006-02-09  Zdenek Dvorak <dvorakz@suse.cz>
2015         * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
2016         (struct ivopts_data): Add regs_used field.
2017         (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
2018         (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
2019         instead of loop_data->regs_used;
2020         (free_loop_data): Do not free aux fields for loops.
2021         (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
2022         and tree_ssa_iv_optimize_finalize.
2024 2006-02-09  Kaz Kojima  <kkojima@gcc.gnu.org>
2026         * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
2028 2006-02-09  J"orn Rennecke <joern.rennecke@st.com>
2030         PR target/26141
2031         * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
2032         computing the effective result type.
2034 2006-02-09  J"orn Rennecke <joern.rennecke@st.com>
2036         PR inline-asm/16194
2037         * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
2038         (tree_overlaps_hard_reg_set): Declare.
2039         * stmt.c (decl_overlaps_hard_reg_set_p): Now static.  Change return
2040         type and signature to match function type expected by walk_tree.
2041         (tree_overlaps_hard_reg_set): New function.
2042         (decl_conflicts_with_clobbers_p): Rename to:
2043         (tree_conflicts_with_clobbers_p).  Take HARD_REG_SET * argument.
2044         Use tree_overlaps_hard_reg_set.  Changed caller.
2045         * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
2046         decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
2047         * cris.c (cris_md_asm_clobbers): Likewise.
2049 2006-02-09  Bernd Schmidt  <bernd.schmidt@analog.com>
2051         * reload1.c (emit_input_reload_insns): Delete code that tries to
2052         inherit using find_equiv_reg.
2054 2006-02-09  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2056         * c-common.h (flag_const_strings): Don't declare.
2057         * c-common.c (flag_const_strings): Remove.
2058         * c.opt (fconst_strings): Remove.
2059         * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
2060         <OPT_Wwrite_strings>: Don't set flag_const_strings.
2061         (c_common_init_options): Don't set flag_const_strings.
2062         * doc/invoke.texi (-fno-const-strings): Remove documentation.
2064 2006-02-09  Richard Earnshaw  <richard.earnshaw@arm.com>
2066         * arm.md (tlobits_cbranch): New pattern.
2067         * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
2068         testing a single bit.
2070 2006-02-09  Andrew Pinski  <pinskia@physics.uc.edu>
2072         PR tree-opt/26179
2073         * tree-ssa-pre.c (create_component_ref_by_pieces):
2074         Handle RETURN_DECL like VAR_DECL.
2076 2006-02-09  Andrew Pinski  <pinskia@physics.uc.edu>
2078         PR middle-end/26134
2079         * fold-const.c (fold_indirect_ref_1): Fold
2080         "*(foo *)&complexfoo" to "__real__ complexfoo"
2081         and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
2083 2006-02-09  Andrew Pinski  <pinskia@physics.uc.edu>
2085         * tree-flow-inline.h (var_can_have_subvars):
2086         Volatile variables should not have subvariables.
2088 2006-02-09  Diego Novillo  <dnovillo@redhat.com>
2090         PR 26180
2091         * tree-vrp.c (vrp_int_const_binop): Detect overflow when
2092         multiplying unsigned values.
2093         Tidy comments.
2095 2006-02-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
2097         * config/sparc/sparc.c (tls_call_delay): Fix oversight.
2099 2006-02-08  Jason Merrill  <jason@redhat.com>
2101         PR c++/25979
2102         * tree.def: Elaborate on difference from MODIFY_EXPR.
2103         * doc/c-tree.texi (INIT_EXPR): Likewise.
2104         * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
2105         (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
2106         (gimplify_target_expr): Likewise.
2107         (gimplify_cond_expr): Remove target handling.
2108         (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
2109         (gimplify_expr): Clobber it here.
2110         (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
2111         Do return slot optimization if we have an INIT_EXPR.
2113         PR tree-opt/24365
2114         * tree-inline.c (declare_return_variable): Also clear
2115         DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
2117         PR c++/16405
2118         * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
2120         PR middle-end/22439
2121         * gimplify.c (gimplify_one_sizepos): Fix typo.
2123 2006-02-08  Jeff Law  <law@redhat.com>
2125         PR tree-optimization/21417
2126         * tree-ssa-threadedge.c (thread_across_edge): Reject threading
2127         across a backedge if the control statement at the end of the
2128         block is data dependent on other statements in the same block.
2129         (record_temporary_equivalences_from_stmts): Remove over-conservative
2130         test for threading across backedges.
2132         * tree-ssa-dce.c (remove_dead_statement): When removing a dead
2133         control statement, handle all three special cases in the same
2134         manner as they all have the same desired solution.  No longer
2135         special case edge flag updating when the post dominator is
2136         the exit block.
2138 2006-02-08  Roger Sayle  <roger@eyesopen.com>
2140         * tree.def (CHAR_TYPE): Remove.
2141         * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
2142         * dwarf2out.c (base_type_die, is_base_type): Likewise.
2143         (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
2144         (gen_string_type_die): Delete unreachable function.
2146         * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
2147         * tree.c (build_int_cst_wide, type_contains_placeholder_1,
2148         type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
2149         * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
2150         * builtins.c (type_to_class): Likewise.
2151         * fold-const.c (fold_convert, build_range_check,
2152         merge_ranges): Likewise.
2153         * expr.c (count_type_elements): Likewise.
2154         * c-pretty-print.c (pp_c_type_specifier): Likewise.
2155         * stor-layout.c (layout_type): Likewise.
2156         * ipa-type-escape.c (type_to_consider): Likewise.
2157         * gimplify.c (omp_firstprivatize_type_sizes,
2158         gimplify_type_sizes): Likewise.
2159         * explow.c (promote_mode): Likewise.
2160         * tree-sra.c (is_sra_scalar_type): Likewise.
2161         * varasm.c (output_constant): Likewise.
2162         * tree-inline.c (remap_type_1): Likewise.
2163         * convert.c (convert_to_pointer, convert_to_real,
2164         convert_to_integer, convert_to_complex): Likewise.
2166 2006-02-08  Daniel Berlin  <dberlin@dberlin.org>
2168         * df-scan.c (df_def_record_1): A set destination may
2169         be a parallel regardless of mode.
2171 2006-02-08  Roger Sayle  <roger@eyesopen.com>
2173         PR target/22209
2174         * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
2175         * config/mips/_tilib.c: Remove.
2176         * config/fixtfdi.c: New libgcc source file.
2177         * config/fixunstfdi.c: New source file.
2178         * config/floatditf.c: New source file.
2179         * config/floatunditf.c: New souce file.
2180         * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
2181         files above instead of config/mips/_tilib.c.
2182         * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
2184 2006-02-08  Jeff Law  <law@redhat.com>
2186         PR tree-optimization/26169
2187         * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
2188         threading jumps.
2190 2006-02-08  Zdenek Dvorak <dvorakz@suse.cz>
2192         * df.h (DF_REG_SIZE): Return the length of the initialized
2193         part of the array.
2195 2006-02-08  Nathan Sidwell  <nathan@codesourcery.com>
2197         * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
2198         __muldf3): Return a correctly signed zero.
2200 2006-02-08  Paolo Bonzini  <bonzini@gnu.org>
2202         * passes.c (register_one_dump_file): Accept the current properties
2203         instead of pass number.  Adjust call to dump_register.  Remove
2204         duplicated code.
2205         (register_dump_files): Now a wrapper around...
2206         (register_dump_files_1): ... this one.  Do not modify the pass
2207         structure.
2208         (next_pass_1): Cosmetic fix.
2209         (execute_todo): Keep second parameter only.  Use curr_properties
2210         instead of fetching it from the pass structure.  Check and set
2211         last_verified.
2212         (execute_one_pass): Handle TODO_set_props.  Use curr_properties
2213         instead of fetching it from the pass structure.  Fix calls to
2214         execute_todo.  Update curr_properties and initialize .vcg RTL dump
2215         after running the pass.  Reset last_verified.
2216         * tree-dump.c (dump_files): Renumber consecutively.  Put .cgraph dump
2217         at the beginning.
2218         (FIRST_AUTO_NUMBERED_DUMP): New.
2219         (dump_register): Remove "num" parameter, assign it within the
2220         function.
2221         (get_dump_file_name): Modify template for dumps.
2222         * tree-dump.h (dump_register): Adjust prototype.
2223         * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
2224         (PROP_trees): Add PROP_gimple_lomp.
2225         (TODO_set_props): New.
2226         * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
2227         * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
2228         * cfgexpand.c (pass_expand): Destroy PROP_trees.
2230 2006-02-08  Jakub Jelinek  <jakub@redhat.com>
2232         * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
2233         (sparc64-*-linux*): Likewise.
2234         * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
2235         * config/sparc/t-linux: New file.
2236         * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
2237         __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
2238         (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
2239         -m32 -mlong-double-128.
2241         * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
2242         * config/alpha/t-linux: New file.
2243         * config/alpha/libgcc-alpha-ldbl.ver: New file.
2245         * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
2246         __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
2247         (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
2248         * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
2249         __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
2250         (CPP_ARCH32_SPEC): Remove.
2252 2006-02-07  Uttam Pawar  <uttamp@us.ibm.com>
2254         PR tree-optimization/26145
2255         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
2256         bbs pointer.
2258 2006-02-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2260         PR target/26109
2261         * pa.c (attr_length_indirect_call): Don't return length 8 for distances
2262         >= 240000 when generating code for SOM runtime.
2263         (output_indirect_call): Don't use "b,l" instruction for indirect calls
2264         to $$dyncall when generating code for SOM runtime..
2266 2006-02-07  Dirk Mueller  <dmueller@suse.com>
2268         PR c++/18150
2269         * doc/invoke.texi (-Wsequence-point): Update documentation
2270         that -Wsequence-point is implemented for C++ as well.
2272 2006-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
2274         * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
2275         * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
2276         (LIB_SPEC): Likewise.
2277         * doc/invoke.texi (SPARC options): Document -pthread.
2279 2006-02-07  Geoffrey Keating  <geoffk@apple.com>
2281         * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
2282         PIC addresses.
2284 2006-02-07  Roger Sayle  <roger@eyesopen.com>
2286         * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
2287         Correct comment describing BOOLEAN_TYPE.
2289 2006-02-07  Dirk Mueller  <dmueller@suse.com>
2291         * c.opt: C++ frontend supports -Wdiv-by-zero.
2292         * c-opts.c (c_common_handle_option): Remove dead case.
2294 2006-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
2296         * configure.ac (TLS assembler check): Do not enable TLS by
2297         default on SPARC/Solaris before version 10.
2298         * configure: Regenerate.
2300 2006-02-07  David Edelsohn  <edelsohn@gnu.org>
2302         * doc/invoke.texi (xl-compat): Document conversion and support
2303         routine names.
2305 2006-02-07  Jeff Law  <law@redhat.com>
2307         * tree-vrp.c (find_conditional_asserts): Update comments.
2308         (simplify_stmt_for_jump_threading): New.
2309         (identify_jump_threads, finalize_jump_threads): New.
2310         (vrp_finalize): Call identify_jump_threads.
2311         (execute_vrp): Call finalize_jump_threads.
2312         * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
2313         (vrp_element, vrp_data, vrp_element_p): Remove.
2314         (vrp_hash_elt, vrp_variables_stack): Remove.
2315         (vrp_hash, vrp_eq, record_range): Remove.
2316         (simplify_cond_and_lookup_avail_expr): Remove.
2317         (extract_range_from_cond): Remove.
2318         (thread_across_edge): Relocated into tree-ssa-threadedge.c.
2319         (simplify_stmt_for_jump_threading): New.
2320         (dom_thread_across_edge): New wrapper.
2321         (tree_ssa_dominator_optimize): No longer initialize or
2322         finalize any of the VRP datastructures.  Remove iteration
2323         step and simplify as a result of removal of iteration step.
2324         (pass_dominator): Perform a cfg cleanup after DOM.
2325         (dom_opt_finalize_block): Use the new common routines
2326         for threading jumps.  Simplify stack management slightly.
2327         No longer need to unwind VRP state.
2328         (record_equivalences_from_incoming_edge): No longer record
2329         VRP information.
2330         (eliminate_redundant_computations): No longer call
2331         simplify_cond_and_lookup_avail_expr.
2332         * tree-flow.h (potentially_threadable_block): Prototype.
2333         (thread_across_edge): Likewise.
2334         * Makefile.in (OBJS-common):  Add tree-ssa-threadedge.o
2335         (tree-ssa-threadedge.o): Add dependencies.
2336         * tree-ssa-threadedge.c: New file.
2337         * passes.c (init_optimization_passes): Merge PHIs before
2338         calling VRP.  Run VRP again late in the SSA optimization pipeline.
2340 2006-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
2342         * df-core.c (df_set_blocks): Do not dereference function pointers.
2343         (df_finish1): Likewise.
2344         (df_hybrid_search_forward): Likewise.
2345         (df_hybrid_search_backward): Likewise.
2346         (df_iterative_dataflow): Likewise.
2347         (df_analyze_problem): Likewise.
2348         (df_compact_blocks): Likewise.
2349         (df_dump): Likewise.
2350         * df-scan.c (df_rescan_blocks): Likewise.
2351         (df_record_entry_block_defs): Likewise.
2353         * genconditions.c (write_conditions): Guard the definition of
2354         'insn_conditions' with the check on GCC version.
2355         (write_writer): Guard the traversal 'insn_conditions' with
2356         the check on GCC version.
2358 2006-02-07  Richard Guenther  <rguenther@suse.de>
2360         PR c++/26140
2361         Revert
2362         2006-01-30  Richard Guenther  <rguenther@suse.de>
2363         PR c++/23372
2364         * gimplify.c (gimplify_target_expr): Handle easy cases
2365         without creating a temporary.
2367 2006-02-07  Pete Steinmetz  <steinmtz@us.ibm.com>
2369         * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
2370         use of float in probability computations.  Use edge probabilities
2371         in place of statically computed probabilities.
2372         (min_spec_prob): New static variable.
2373         (schedule_insns): Initialize it.
2374         (GET_SRC_PROB): Removed.
2375         * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
2377 2006-02-07  Alexandre Oliva  <aoliva@redhat.com>
2379         PR debug/24444
2380         * config/ia64/unwind-ia64.c: Revert last change.
2381         * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
2382         (INCOMING_FRAME_SP_OFFSET): Define.
2384 2006-02-06  Roger Sayle  <roger@eyesopen.com>
2386         * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
2388 2006-02-07  Ben Elliston  <bje@au.ibm.com>
2390         * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
2391         (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
2392         (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
2393         (ix86_return_in_memory): Handle TDmode.
2394         (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
2395         (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
2397 2006-02-06  Richard Sandiford  <richard@codesourcery.com>
2399         * reorg.c (dbr_schedule): Use dump_file instead of file.
2401 2006-02-06  Steve Ellcey  <sje@cup.hp.com>
2403         PR target/25917
2404         * config/ia64/predicates.md (extr_len_operand): New predicate.
2405         * config/ia64/ia64.md (extv): Tighten constraints.
2406         (extzv): Ditto.
2407         (*tbit_and_2): Ditto.
2408         (*tbit_and_3): Ditto.
2409         (*tbit_or_2): Ditto.
2410         (*tbit_or_3): Ditto.
2411         (*bit_zero): Ditto.
2412         (*bit_one): Ditto.
2414 2006-02-06  Andrew Pinski  <pinskia@physics.uc.edu>
2416         PR target/23359
2417         * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
2419 2006-02-06  Zdenek Dvorak <dvorakz@suse.cz>
2421         * tree-vrp.c (execute_vrp): Do not pass dump argument to.
2422         loop_optimizer_init and loop_optimizer_finalize
2423         * tree-ssa-sink.c (execute_sink_code): Ditto.
2424         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
2425         * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
2426         tree_ssa_loop_done): Ditto.
2427         * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
2428         * sched-ebb.c: Include output.h.
2429         (schedule_ebbs): Do not use dump argument.
2430         * value-prof.h (struct profile_hooks): Remove profile_dump_file.
2431         * loop.c (loop_dump_stream): Removed.
2432         (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
2433         argument.
2434         (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
2435         emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
2436         final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
2437         loop_iterations, strength_reduce, record_biv, record_giv,
2438         final_giv_value, check_final_value, check_ext_dependent_givs,
2439         combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
2440         try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
2441         dump_file instead of loop_dump_stream.
2442         * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
2443         argument dump_file.
2444         * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
2445         dump argument.
2446         * flow.c (life_analysis, rest_of_handle_life): Ditto.
2447         * haifa-sched.c: Include output.h
2448         (schedule_insns, sched_init): Do not use dump argument.
2449         * mode-switching.c (optimize_mode_switching): Ditto.
2450         * modulo-sched.c (stats_file): Removed.
2451         (print_node_sched_params): Do not call argument dump_file.
2452         (sms_schedule_by_order, loop_canon_p, sms_schedule,
2453         rest_of_handle_sms): Do not use dump argument.  Use dump_file instead
2454         of stats_file.
2455         * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
2456         use dump argument.
2457         * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
2458         rtl_loop_init, rtl_loop_done): Ditto.
2459         * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
2460         * predict.c (combine_predictions_for_bb, tree_estimate_probability):
2461         Ditto.
2462         * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
2463         * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
2464         * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
2465         rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
2466         * emit-rtl.c (renumber_insns): Ditto.
2467         * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
2468         expand_gimple_basic_block, tree_expand_cfg): Ditto.
2469         * regclass.c (regclass): Ditto.
2470         * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
2471         remove_ssa_form, rewrite_out_of_ssa): Ditto.
2472         * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
2473         convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
2474         Ditto.
2475         * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
2476         * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
2477         to regclass.
2478         * gcse.c (gcse_file, debug_stderr): Removed.
2479         (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
2480         rest_of_handle_gcse): Do not use dump argument.
2481         (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
2482         one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
2483         pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
2484         compute_code_hoist_vbeinout, compute_code_hoist_data,
2485         one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
2486         compute_store_table, build_store_vectors, insert_insn_start_bb,
2487         insert_store, remove_reachable_equiv_notes, replace_store_insn,
2488         store_motion): Use dump_file instead of gcse_file.
2489         * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
2490         * profile.c (profile_dump_file): Removed.
2491         (branch_prob): Use dump_file instead of profile_dump_file.
2492         * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
2493         dump_file.
2494         * tree-ssa-copy.c (dump_copy_of): Ditto.
2495         * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
2496         dump file to life_analysis.
2497         * bt-load.c (branch_target_load_optimize): Ditto.
2498         * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
2499         renumber_insns.
2500         * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
2501         regclass, dbr_schedule): Declaration changed.
2502         * sched-int.h (sched_init): Declaration changed.
2503         * tree-profile.c (tree_profile_dump_file): Removed.
2504         (tree_profile_hooks): Removed profile_dump_file hook.
2505         * rtl-profile (rtl_profile_dump_file): Removed.
2506         (rtl_profile_hooks): emoved profile_dump_file hook.
2507         * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
2508         changed.
2509         * c-gimplify.c (c_genericize): Do not call local variable dump_file.
2510         * tree-cfg.c (build_tree_cfg): Ditto.
2511         * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
2512         * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
2513         Declaration changed.
2514         * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
2515         life_analysis and schedule_insns.
2516         * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
2517         life_analysis.
2518         * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
2519         dbr_schedule.
2520         * config/mips/mips.c (mips_reorg): Ditto.
2521         * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
2522         schedule_ebbs.
2524 2006-02-06  Aldy Hernandez  <aldyh@redhat.com>
2526         * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2527         (s390_mangle_fundamental_type): New.
2528         * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2529         Define.
2531         * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2532         (alpha_mangle_fundamental_type): New.
2533         * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2534         Define.
2536         * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2537         Define.
2538         * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
2539         Define.
2540         * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
2541         (sparc_mangle_fundamental_type): New.
2543 2006-02-06  Jakub Jelinek  <jakub@redhat.com>
2545         * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
2546         (s390x-*-linux*): Likewise.
2547         * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
2548         * config/s390/t-linux: New file.
2550 2006-02-02  Bernd Schmidt  <bernd.schmidt@analog.com>
2552         * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
2553         sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
2555 2006-02-06  Daniel Berlin  <dberlin@dberlin.org>
2557         * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
2558         (ANTIC_SAFE_LOADS): New macro.
2559         (find_or_generate_expression): Add prototype.
2560         (set_contains_value): Allow null set for sake of not always having
2561         to allocate ANTIC_SAFE_LOADS.
2562         (phi_translate): Move placement of AGGREGATE_TYPE_P check.
2563         Allow COMPONENT_REF too.
2564         (valid_in_set): Allow COMPONENT_REF.
2565         Check ANTIC_SAFE_LOADS too.
2566         (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
2567         (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
2568         rename.
2569         (can_PRE_operation): Add COMPONENT_REF.
2570         (create_component_ref_by_pieces): New function.
2571         (create_expression_by_pieces): Use create_component_ref_by_pieces.
2572         (insert_aux): Move AGGREGATE_TYPE_P check here.
2573         (compute_avail): Set bb local stmt uids.
2574         (pass_pre): Use TODO_update_ssa_only_virtuals.
2576 2006-02-06  Ben Elliston  <bje@au.ibm.com>
2578         * configure.ac: Unconditionally disable decimal float by default.
2579         * configure: Regenerate.
2581 2006-02-06  Ben Elliston  <bje@au.ibm.com>
2583         * read-rtl.c (read_name): Terminate reading on EOF.
2585 2006-02-06  Ben Elliston  <bje@au.ibm.com>
2587         * dfp.c (decimal_real_arithmetic): Change second argument type
2588         from int to enum tree_code. Do not always return true, but now
2589         return result of any call to decimal_do helper functions.
2590         * dfp.h (decimal_real_arithmetic): Update prototype.
2592 2006-02-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
2594         * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
2596 2006-02-05  Andrew Pinski  <pinskia@physics.uc.edu>
2598         PR tree-opt/25251
2599         * tree-cfg.c (cleanup_dead_labels): Also don't remove
2600         forced labels.
2602 2006-02-04  Zdenek Dvorak <dvorakz@suse.cz>
2604         * tree-vrp.c (cfg_loops): Removed.
2605         (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
2606         Use current_loops instead of cfg_loops.  Pass flags to
2607         loop_optimizer_init.
2608         * cfgloopmanip.c (fix_loop_structure): Update only available
2609         information.
2610         * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
2611         loop_optimizer_init.
2612         * modulo-sched.c (build_loops_structure): Removed.
2613         (sms_schedule): Use loop_optimizer_init.
2614         * loop-init.c (loop_optimizer_init): Use flags to determine
2615         which properties of loops to prepare.
2616         (rtl_loop_init): Pass flags to loop_optimizer_init.
2617         * tree-ssa-sink.c (execute_sink_code): Ditto.
2618         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
2619         * tree-ssa-pre.c (init_pre): Ditto.
2620         * cfgloop.h (LOOPS_NORMAL): New.
2621         (loop_optimizer_init): Declaration changed.
2623 2006-02-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2625         * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
2626         * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
2627         pa/t-pa.
2628         * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
2629         pa/t-pa.
2630         * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
2631         pa/x-ada.
2632         * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
2633         * pa/t-pa64: Delete quadlib.c rule.
2634         * pa/x-ada: Revert last change.
2635         * pa/t-pa: Revert last change.  Delete quadlib.c rule.
2637 2006-02-04  Zdenek Dvorak <dvorakz@suse.cz>
2639         PR rtl-optimization/26087
2640         * rtlanal.c (canonicalize_condition): Do not cross basic block
2641         boundaries.
2643 2006-02-04  Alexandre Oliva  <aoliva@redhat.com>
2645         PR debug/24444
2646         * config/ia64/ia64.c: Include debug.h.
2647         (MAX_ARTIFICIAL_LABEL_BYTES): New.
2648         (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
2649         (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
2650         (process_epilogue, process_set, process_for_unwind_directive):
2651         Output unwind info only if requested.  Add CFA info if requested.
2652         Add new arguments as needed.  Adjust callers.
2653         * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
2654         incorrect default.
2655         (DWARF2_FRAME_INFO): Define to zero.
2656         * config/ia64/unwind-ia64.c: Remove code that compensated for
2657         the CFA offset error fixed above.
2658         * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
2659         * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
2660         (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
2661         -funwind-tables and -fexceptions to enable frame info.
2662         (dwarf2out_frame_init): Define initial CFA even if
2663         DWARF2_UNWIND_INFO is disabled.  Call initial_return_save if
2664         DWARF2_UNWIND_INFO is nonzero, not just defined.
2665         (dwarf2out_frame_finish): Output non-EH call frame info only
2666         if DWARF2_FRAME_INFO is nonzero.
2667         (convert_cfa_to_loc_list,
2668         compute_frame_pointer_to_cfa_displacement): Define even if
2669         unwind info is not supported.
2670         (gen_subprogram_die): Use the above unconditionally.  Remove
2671         legacy alternate code.
2672         * toplev.c (compile_file): Compile in call to
2673         dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
2674         (lang_dependent_init): Ditto for dwarf2out_frame_init.
2676 2006-02-04  David Edelsohn  <edelsohn@gnu.org>
2677             Jakub Jelinek  <jakub@redhat.com>
2679         * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
2680         IBM extended float format long double as "g" on powerpc*-linux.
2682 2006-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2684         PR target/25926
2685         * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
2686         * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
2688 2006-02-03  Jason Merrill  <jason@redhat.com>
2690         PR c++/25979
2691         * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
2693         PR middle-end/25977
2694         * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
2695         on the return slot if it's an NRV.
2697 2006-02-03  Zdenek Dvorak <dvorakz@suse.cz>
2699         * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
2700         (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
2701         rewrite_use): Do not handle USE_OUTER.
2702         (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
2703         add_iv_outer_candidates, may_replace_final_value,
2704         determine_use_iv_cost_outer, rewrite_use_outer): Removed.
2705         (find_interesting_uses_op): Functionality of
2706         find_interesting_uses_outer_or_nonlin moved here.
2707         (find_interesting_uses_outside): Use find_interesting_uses_op.
2709 2006-02-03  Alan Modra  <amodra@bigpond.net.au>
2711         PR target/25960
2712         * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
2714 2006-02-03  Andreas Krebbel  <krebbel1@de.ibm.com>
2715             Ulrich Weigand  <uweigand@de.ibm.com>
2717         PR target/25864
2718         * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
2719         "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
2720         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
2721         * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
2722         and dxr fields.
2723         (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
2724         (s390_rtx_costs): Use the new fields to calculate rtx costs.
2725         (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
2726         Define secondary reloads for TFmode moves.
2727         (constant_modes): Add TFmode.
2728         (NR_C_MODES): Set to 8.
2729         * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
2730         builtin define.
2731         (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
2732         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
2733         (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
2734         CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
2735         * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
2736         fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
2737         (FPR mode macro): Add TFmode.
2738         (DSF mode macro): New.
2739         (<de>, <dee> mode attributes): Removed.
2740         (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
2741         ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
2742         "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
2743         "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
2744         "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
2745         "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
2746         "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
2747         "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
2748         "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
2749         "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
2750         "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
2751         "*negabs<mode>2", "sqrt<mode>2"):
2752         Changed <de> to <xde>. R constraint replaced by <Rf>.
2753         ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
2754         <Rf>.
2755         ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
2756         ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
2757         ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
2758         splitters.
2759         ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
2760         "extenddftf2", "extendsftf2"): New expanders.
2761         ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
2762         "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
2763         "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
2764         * config/s390/s390.opt (mlong-double-128, mlong-double-64):
2765         New options.
2766         * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
2767         * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
2768         __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
2769         __floatditf): Add a GCC_4.1.0 symbol version tag.
2770         * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
2771         the new options.
2773 2006-02-02  Andrew Pinski  <pinskia@physics.uc.edu>
2775         PR target/25377
2776         * config/i386/i386.c (ix86_function_ok_for_sibcall):
2777         Use targetm.binds_local_p instead of TREE_PUBLIC.
2779 2006-02-02  Roger Sayle  <roger@eyesopen.com>
2781         * tree.h (TYPE_STRING_FLAG): Document that this field may be used
2782         on INTEGER_TYPEs to indicate that it denotes a character type.
2783         * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
2784         signed_char_type_node, unsigned_char_type_node and char_type_node.
2785         * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
2786         INTEGER_TYPE.  Use TYPE_STRING_FLAG to decide whether to emit
2787         a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
2789 2006-02-02  Zdenek Dvorak <dvorakz@suse.cz>
2790             Daniel Berlin  <dberlin@dberlin.org>
2792         * tree-tailcall.c (arg_needs_copy_p): New function.
2793         (eliminate_tail_call): Use arg_needs_copy_p.
2794         (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
2795         (add_virtual_phis): New function.
2797 2006-02-02  Jakub Jelinek  <jakub@redhat.com>
2799         * config/sparc/sparc.c (sparc_output_scratch_registers): Use
2800         #ignore instead of #scratch for %g7 .register directive.
2802 2006-02-02  Andreas Tobler  <a.tobler@schweiz.ch>
2804         * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
2805         object files.
2807 2006-02-02  Bernd Schmidt  <bernd.schmidt@analog.com>
2809         * flow.c (calculate_global_regs_live): Assert that there aren't any
2810         EDGE_FAKE edges.
2812 2006-02-02  Paolo Bonzini  <bonzini@gnu.org>
2814         * tree-flow-inline.h (bsi_after_labels): Rewrite, return
2815         what its name says.
2816         * lambda-code.c (perfect_nestify): Use bsi_insert_before on
2817         bsi_after_labels iterator.
2818         * tree-if-conv.c (find_phi_replacement_condition,
2819         replace_phi_with_cond_modify_expr): Likewise.
2820         * tree-scalar-evolution.c (scev_const_prop): Likewise.
2821         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
2823 2006-02-02  Diego Novillo  <dnovillo@redhat.com>
2825         * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
2827 2006-02-02  Diego Novillo  <dnovillo@redhat.com>
2829         PR 25990
2830         * tree-cfg.c (move_block_to_fn): Clear out the basic block
2831         array after growing it.
2833 2006-02-01  Steve Ellcey  <sje@cup.hp.com>
2835         PR middle-end/24901
2836         * fold-const.c (fold_checksum_tree): Change type of buf.
2838 2006-02-01  Bernd Schmidt  <bernd.schmidt@analog.com>
2840         * reload.c (push_secondary_reload): Initialize t_icode.
2842 2006-02-01  Jakub Jelinek  <jakub@redhat.com>
2844         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
2845         -msoft-float -mlong-double-128 only issue a warning, but don't
2846         swich to DFmode long double.
2848 2006-02-01  Hans-Peter Nilsson  <hp@axis.com>
2850         * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
2851         has a constant equivalent, iterate over equivalents for arg0,
2852         calling simplify_relational_operation and if there's a result
2853         cheaper than X, apply fold_rtx and return the result.
2855 2006-02-01  Jan Hubicka  <jh@suse.cz>
2857         * opts.c (no_unit_at_a_time_default): New global variable.
2858         (decode_options): Use it.
2859         * opts.h (no_unit_at_a_time_default): Declare.
2861 2006-02-01  Paul Brook  <paul@codesourcery.com>
2863         * function.c (assign_parm_setup_reg): Use function argument promotion
2864         rules.
2865         * expr.c (expand_expr_real_1): Use function argument promotion rules
2866         for PARM_DECLs.
2868 2006-02-01  Steve Ellcey  <sje@cup.hp.com>
2870         * gcc.c (process_command): Change j to 'unsigned int'.
2872 2006-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
2874         PR middle-end/26001
2875         * expr.c (expand_expr_real_1) <case ARRAY_REF>:
2876         Use the corrected index for the character
2877         out of the string constant.
2879 2006-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
2881         * mode-switching.c (optimize_mode_switching): Fix size
2882         allocated for bb_info[n_entities].
2884 2006-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
2886         * gcc.c (main): Correct type that is allocated for
2887         explicit_link_files.
2889 2006-01-31  Jakub Jelinek  <jakub@redhat.com>
2891         * config/s390/s390.c (init_alignment_context): Set
2892         ALIAS_SET_MEMORY_BARRIER on the MEM.
2893         * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
2895 2006-01-31  Uttam Pawar  <uttamp@us.ibm.com>
2897         PR middle-end/25933
2898         * loop-unroll.c (unroll_loop_runtime_iterations): Free
2899         dom_bbs pointer.
2900         * tree-ssa-live.c (type_var_init): Allocate bitmap after
2901         call to tpa_init.
2903 2006-01-31  Marcin Dalecki  <martin@dalecki.de>
2905         * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
2906         * regrename.c: Ditto.
2907         * tree-ssa-loop-im.c: Ditto.
2908         * tree-dump.c: Ditto.
2909         * tree-complex.c: Ditto.
2910         * genrecog.c: Ditto.
2911         * tree-ssa-threadupdate.c: Ditto.
2912         * tracer.c: Ditto.
2913         * java/class.c: Ditto.
2914         * java/jcf-parse.c: Ditto.
2915         * java/resource.c: Ditto.
2916         * java/except.c: Ditto.
2917         * java/jvspec.c: Ditto.
2918         * java/jcf-write.c: Ditto.
2919         * java/jcf-path.c: Ditto.
2920         * java/gjavah.c: Ditto.
2921         * java/zextract.c: Ditto.
2922         * java/jcf-io.c: Ditto.
2923         * java/jcf.h: Ditto.
2924         * java/buffer.c: Ditto.
2925         * java/lang.c: Ditto.
2926         * java/parse-scan.y: Ditto.
2927         * java/lex.c: Ditto.
2928         * java/lex.h: Ditto.
2929         * cfgloopmanip.c: Ditto.
2930         * postreload-gcse.c: Ditto.
2931         * tree-ssa-loop-manip.c: Ditto.
2932         * postreload.c: Ditto.
2933         * tree-ssa-loop-ch.c: Ditto.
2934         * loop.c: Ditto.
2935         * ipa-cp.c: Ditto.
2936         * cppspec.c: Ditto.
2937         * diagnostic.c: Ditto.
2938         * final.c: Ditto.
2939         * genoutput.c: Ditto.
2940         * gcc.c: Ditto.
2941         * cfghooks.c: Ditto.
2942         * cfgloopanal.c: Ditto.
2943         * objc/objc-act.c: Ditto.
2944         * gcov.c: Ditto.
2945         * genextract.c: Ditto.
2946         * genautomata.c: Ditto.
2947         * pretty-print.c: Ditto.
2948         * genemit.c: Ditto.
2949         * cgraphunit.c: Ditto.
2950         * flow.c: Ditto.
2951         * df-scan.c: Ditto.
2952         * haifa-sched.c: Ditto.
2953         * dominance.c: Ditto.
2954         * dbxout.c: Ditto.
2955         * tree-ssa-loop-ivopts.c: Ditto.
2956         * df-core.c: Ditto.
2957         * mode-switching.c: Ditto.
2958         * modulo-sched.c: Ditto.
2959         * graph.c: Ditto.
2960         * ipa-pure-const.c: Ditto.
2961         * cse.c: Ditto.
2962         * fix-header.c: Ditto.
2963         * web.c: Ditto.
2964         * tree-stdarg.c: Ditto.
2965         * ipa-utils.c: Ditto.
2966         * loop-init.c: Ditto.
2967         * ipa-inline.c: Ditto.
2968         * cfganal.c: Ditto.
2969         * global.c: Ditto.
2970         * alloc-pool.c: Ditto.
2971         * dwarf2out.c: Ditto.
2972         * opts.c: Ditto.
2973         * genattrtab.c: Ditto.
2974         * tree-ssa-loop-ivcanon.c: Ditto.
2975         * predict.c: Ditto.
2976         * timevar.c: Ditto.
2977         * lcm.c: Ditto.
2978         * fortran/gfortranspec.c: Ditto.
2979         * regmove.c: Ditto.
2980         * local-alloc.c: Ditto.
2981         * langhooks.c: Ditto.
2982         * function.c: Ditto.
2983         * tree-vectorizer.c: Ditto.
2984         * gcse.c: Ditto.
2985         * ipa-type-escape.c: Ditto.
2986         * alias.c: Ditto.
2987         * tree-if-conv.c: Ditto.
2988         * profile.c: Ditto.
2989         * ipa.c: Ditto.
2990         * tree-data-ref.c: Ditto.
2991         * loop-unroll.c: Ditto.
2992         * treelang/treetree.c: Ditto.
2993         * calls.c: Ditto.
2994         * bt-load.c: Ditto.
2995         * ggc-common.c: Ditto.
2996         * except.c: Ditto.
2997         * coverage.c: Ditto.
2998         * cselib.c: Ditto.
2999         * tree-cfgcleanup.c: Ditto.
3000         * tree-ssa-pre.c: Ditto.
3001         * cfgcleanup.c: Ditto.
3002         * loop-invariant.c: Ditto.
3003         * loop-iv.c: Ditto.
3004         * ipa-prop.c: Ditto.
3005         * print-tree.c: Ditto.
3006         * conflict.c: Ditto.
3007         * ggc-page.c: Ditto.
3008         * sched-deps.c: Ditto.
3009         * regclass.c: Ditto.
3010         * tree-object-size.c: Ditto.
3011         * combine.c: Ditto.
3012         * bb-reorder.c: Ditto.
3013         * resource.c: Ditto.
3014         * var-tracking.c: Ditto.
3015         * cfgloop.c: Ditto.
3016         * df-problems.c: Ditto.
3017         * reg-stack.c: Ditto.
3018         * tlink.c: Ditto.
3019         * gccspec.c: Ditto.
3020         * sched-rgn.c: Ditto.
3021         * tree-ssa-structalias.c: Ditto.
3022         * tree-ssa-reassoc.c: Ditto.
3023         * config/darwin-c.c: Ditto.
3024         * config/darwin.c: Ditto.
3025         * config/arm/arm.c: Ditto.
3026         * cfgrtl.c: Ditto.
3027         * collect2.c: Ditto.
3028         * reload1.c: Ditto.
3030 2006-01-31  Nicolas Pitre  <nico@cam.org>
3032         * arm.md (smaxsi3): Make aware of smax_m1.
3033         (smax_m1): New.
3035 2006-01-31  Nathan Sidwell  <nathan@codesourcery.com>
3037         * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
3039 2006-01-31  Richard Guenther  <rguenther@suse.de>
3041         * doc/invoke.texi (-msselibm): Document.
3042         * target.h (expand_library_builtin): New target hook.
3043         * builtins.c (expand_builtin): Use expand_library_builtin.
3044         (default_expand_library_builtin): New function.
3045         * gcc.c (LINK_GCC_MATH_SPEC): Define.
3046         (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
3047         (link_gcc_math_spec): Declare.
3048         (static_specs): Add link_gcc_math_spec.
3049         * expr.h (default_expand_library_builtin): Declare.
3050         * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3051         (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
3052         * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
3053         * config/i386/i386.opt (msselibm): New target option.
3054         * config/i386/i386.c (ix86_builtin_function_variants): New array.
3055         (ix86_init_sse_abi_builtins): New function.
3056         (ix86_expand_library_builtin): Likewise.
3057         (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3058         (override_options): Handle error conditions wrt -msselibm.
3059         (ix86_builtins): Add function codes for SSE2 ABI builtins.
3060         (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
3061         * doc/extend.texi (__builtin_sse2_*): Document new target specific
3062         builtins.
3064 2006-01-31  Richard Guenther  <rguenther@suse.de>
3065         Paolo Bonzini  <bonzini@gnu.org>
3067         * doc/install.texi (--disable-libgcc-math): Document.
3069 2006-01-30  Marcin Dalecki  <martin@dalecki.de>
3071         * expr.h (expand_normal): new inline function.
3072         * builtins.c: use it, use EXPAND_NORMAL explicitely.
3073         * dojump.c: use it.
3074         * dwarf2out.c: use it.
3075         * expr.c: use it.
3076         * calls.c: use it.
3077         * expmed.c: use it.
3078         * except.c: use it.
3079         * config/sparc/sparc.c: use it.
3080         * config/i386/i386.c: use it.
3081         * config/rs6000/rs6000.c: use it.
3082         * config/arm/arm.c: use it.
3083         * config/mips/mips.c: use it.
3084         * stmt.c: use it, use EXPAND_NORMAL explicitely.
3086 2006-01-30  Roger Sayle  <roger@eyesopen.com>
3088         * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
3089         argv to the appropriate type.
3091 2006-01-30  Zdenek Dvorak <dvorakz@suse.cz>
3093         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
3094         unreachable code.
3096 2006-01-30  Ulrich Weigand  <uweigand@de.ibm.com>
3098         PR target/26018
3099         * config/s390/s390.c (struct machine_function): New flag
3100         decomposed_literal_pool_addresses_ok_p.
3101         (s390_reorg): Set it before final stage of literal pool transforms.
3102         (s390_decompose_address): Only accept displacements of the form
3103         (minus (label_ref ...) (label_ref ...)) if that flag is set.
3105 2006-01-30  Carlos O'Donell  <carlos@codesourcery.com>
3107         * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
3108         the comparison routine return.
3110 2006-01-30  Michael Matz  <matz@suse.de>
3112         * global.c (find_reg): Only evict for global regs.
3113         Take n_refs into account and dump more info.
3115 2006-01-30  J"orn Rennecke <joern.rennecke@st.com>
3117         PR target/14798:
3118         * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
3119         (pragma_trap, pragma_nosave_low_regs): Likewise.
3120         (current_function_anonymous_args): Likewise.
3121         (sh_deferred_function_attributes): New variable.
3122         (sh_deferred_function_attributes_tail): Likewise.
3123         (print_operand): For '@', look up trap_exit attribute.
3124         (calc_live_regs): Look up trapa_handler attribute.  For trapa
3125         handlers, save/restore fpscr, but don't do any other
3126         interrupt-specific saves.
3127         Don't save r0..r7 if the nosave_low_regs attribute is in effect.
3128         Fix check for partially saved registers to check for SHmedia.
3129         (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
3130         (sh_output_function_epilogue): Don't clear any of the removed
3131         variables.
3132         (sh_insert_attributes): Don't check pragma_interrupt.
3133         Insert deferred attributes.  Check that interrupt attribute is
3134         present for other attributes that require its presence.
3135         (sh_attribute_table): Add new attributes trapa_handler and
3136         nosave_low_regs.
3137         (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
3138         Don't check for pragma_interrupt.  Don't store argument.
3139         * sh.h (pragma_interrupt, sp_switch): Don't declare.
3140         (sh_deferred_function_attributes): Declare.
3141         (sh_deferred_function_attributes_tail): Likewise.
3142         * sh.md (sp_switch_1): Add operand.  Change generator caller.
3143         (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
3144         (*return_i): Don't use when trap_exit attribute is in effect.
3145         (*return_trapa): New insn pattern.
3146         * sh-c.c: New file.
3147         * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
3148         setting c_target_objs and cxx_target_objs.
3149         * t-sh: Add rule for sh-c.o.
3151 2006-01-30  Richard Guenther  <rguenther@suse.de>
3153         PR c++/23372
3154         * gimplify.c (gimplify_target_expr): Handle easy cases
3155         without creating a temporary.
3157 2006-01-30  Nathan Sidwell  <nathan@codesourcery.com>
3159         * vec.h (safe_grow): Remove duplicated line.
3161 2006-01-29  Diego Novillo  <dnovillo@redhat.com>
3163         PR 25874
3164         * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
3165         (expand_omp): ... here.
3166         (expand_omp_parallel): Only remove barriers for combined
3167         parallel+workshare constructs.
3169 2006-01-29  Eric Botcazou  <ebotcazou@adacore.com>
3171         Revert
3173         2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
3174         * tree.c (build_qualified_type): Chain the new type to the original
3175         type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
3176         a POINTER_TYPE or a REFERENCE_TYPE respectively.
3177         (build_pointer_type_for_mode): Only return unqualified types.
3178         (build_reference_type_for_mode): Likewise.
3180 2006-01-29  Gabriel Dos Reis  <gdr@integgrable-solutions.net>
3182         * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
3183         * Makefile.in (CXX_COMPAT_WARN): Define.
3184         * configure: Regenerate.
3186 2006-01-29  Dorit Nuzman  <dorit@il.ibm.com>
3188         PR tree-opt/25911
3189         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
3190         to an if check.
3192 2006-01-29  Gabriel Dos Reis  <gdr@integrable-solutions.net>
3194         * toplev.c: Fix thinko.
3196 2006-01-29  Gabriel Dos Reis  <gdr@integrable-solutions.net>
3197             Marcin Dalecki  <martin@dalecki.de>
3199         * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
3200         (push_srcloc): Use XNEW.
3201         (init_asm_output, default_get_pch_validity): Use XNEWVEC.
3203 2006-01-29  Kenneth Zadeck <zadeck@naturalbridge.com>
3205         * df-core.c (df_set_blocks): Deleted all variable.
3207 2006-01-28  Ian Lance Taylor  <ian@airs.com>
3209         * cgraphunit.c (cgraph_assemble_pending_functions): Call
3210         cgraph_output_pending_asms.
3212 2006-01-28  Zack Weinberg  <zackw@panix.com>
3214         * c.opt: Add -W(no-)overlength-strings.
3215         * doc/invoke.texi: Document it.
3216         * c-opts.c (c_common_handle_option): -pedantic implies
3217         -Woverlength-strings, if not explicitly disabled already.
3218         (c_common_post_options): -Woverlength-strings defaults to off, and
3219         is always off for C++.
3220         * c-common.c (fix_string_type): Issue warning about strings longer
3221         than is portable only if warn_overlength_strings.  Rearrange code
3222         a little for clarity.
3223         * configure.in: Check for -Wno-overlength-strings as well before
3224         enabling -pedantic in stage 1.
3225         * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
3226         (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
3228         * genconditions.c (write_header, write_one_condition)
3229         (write_conditions, write_writer): Consolidate very long strings
3230         that were broken up to fit in C89 portable limit.  Don't use
3231         printf when fputs will do.
3233 2006-01-28  Adam Nemet  <anemet@caviumnetworks.com>
3235         * combine.c (simplify_comparison <AND>): Check
3236         TRULY_NOOP_TRUNCATION before start using a subreg.
3238         * config/mips/mips.md (*branch_zero<mode>,
3239         *branch_zero<mode>_inverted, *branch_equality<mode>,
3240         *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
3241         Remove mode check from comparisons.
3243 2006-01-28  Kenneth Zadeck <zadeck@naturalbridge.com>
3245         * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
3247 2006-01-28  Kazu Hirata  <kazu@codesourcery.com>
3249         * expmed.c (const_mult_add_overflow_p): Remove.
3250         * expr.h: Remove the prototype for const_mult_add_overflow_p.
3252         * recog.c (validate_replace_rtx_subexp): Remove.
3253         * recog.h: Remove the prototype for
3254         validate_replace_rtx_subexp.
3256         * integrate.h: Remove the prototype for
3257         copy_decl_for_inlining.
3258         * rtl.h: Remove the prototype for mark_constant_function.
3259         * tree-vectorizer.h: Remove the prototype for
3260         vect_strip_conversion.
3262         * modulo-sched.c (create_partial_schedule,
3263         free_partial_schedule, reset_partial_schedule): Make them
3264         static.
3266         * hooks.c (hook_bool_rtx_int_false): Remove.
3267         * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
3269 2006-01-28  David Edelsohn  <edelsohn@gnu.org>
3271         * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
3272         and -mlong-double-128 are incompatible.
3273         * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
3274         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
3275         (TARGET_LIBGCC2_CFLAGS): Define.
3276         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
3277         (TARGET_LIBGCC2_CFLAGS): Same.
3278         * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
3280 2006-01-28  Kazu Hirata  <kazu@codesourcery.com>
3282         PR c/19606.
3283         * c-typeck.c (build_binary_op): Perform implicit casts of
3284         operands before shortening them.
3286         * cfgloopmanip.c (split_loop_bb): Remove.
3287         * cfgloop.h: Remove the prototype for split_loop_bb.
3289         * cfgloop.c (flow_loop_outside_edge_p): Remove.
3290         * cfgloop.h: Remove the prototype for
3291         flow_loop_outside_edge_p.
3293         * emit-rtl.c (init_virtual_regs): Make it static.
3294         * function.h: Remove the prototype for init_virtual_regs.
3296         * recog.c (peephole2_optimize): Make it static.
3297         * recog.h: Remove the prototype for peephole2_optimize.
3299 2006-01-27  H.J. Lu  <hongjiu.lu@intel.com>
3301         * df-scan.c (df_record_entry_block_defs): Check if
3302         INCOMING_RETURN_ADDR_RTX is defined.
3304 2006-01-27  Daniel Berlin  <dberlin@dberlin.org>
3305             Kenneth Zadeck <zadeck@naturalbridge.com>
3307         PR rtl-optimization/24762
3308         * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
3309         * targhooks.c (hook_void_bitmap): New hook prototype.
3310         * targhoohs.h (hook_void_bitmap): Ditto.
3311         * bitmap.h (bitmap_head_def): Moved to coretypes.h.
3312         * coretypes.h (bitmap_head_def): Moved from bitmap.h.
3313         * target.h (live_on_entry): New function pointer.
3314         * df-scan.c (df_all_hard_regs): Removed.
3315         (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
3316         (df_scan_free_internal): Added df->entry_block_defs.
3317         (df_scan_alloc): Ditto.
3318         (df_scan_dump): Ditto.
3319         (df_uses_record): Plumbed flag field properly thru calls.
3320         Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
3321         This part fixes PR24762.
3322         (df_bb_refs_record): Added code to make the frame and arg
3323         pointers live in EH blocks.
3324         (df_refs_record): Added call to df_record_entry_block_defs.
3325         (df_record_entry_block_defs): New function.
3326         * df-core.c: Added comments to describe new artifical defs.
3327         * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
3328         (entry_block_defs): New field in struct df.
3329         (df_all_hard_regs): Deleted.
3330         * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
3331         * df-problems.c (df_ru_bb_local_compute_process_def):
3332         Added code to handle artifical defs in the entry to a function.
3333         (df_ru_bb_local_compute): Ditto.
3334         (df_rd_bb_local_compute_process_def):  Ditto.
3335         (df_rd_bb_local_compute): Ditto.
3336         (df_lr_bb_local_compute): Ditto.
3337         (df_ur_bb_local_compute): Ditto.
3338         (df_urec_bb_local_compute):  Ditto.
3339         (df_chain_create_bb):  Ditto.
3340         (df_ur_local_finalize): Removed entry.
3341         (df_urec_init): Ditto.
3342         (df_urec_local_finalize): Ditto.
3343         (df_ri_bb_compute): Added detection of last use of pseudos.
3344         * Makefile.in (df-scan.o): Updated dependencies.
3345         * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
3346         * config/mips/mips.c (mips_set_live_on_entry): Added.
3347         * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
3348         for target hook.
3349         * dce.c (marked_insn_p): Added code to handle artifical defs.
3351 2006-01-27  H.J. Lu  <hongjiu.lu@intel.com>
3353         * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
3354         intrinsic.
3355         (_mm_cvtsi128_si64): Likewise.
3356         (_mm_cvtsd_si64): Likewise.
3357         (_mm_cvttsd_si64): Likewise.
3358         (_mm_cvtsi64_sd): Likewise.
3359         (_mm_cvtsi64_si128): Likewise.
3360         * config/i386/mmintrin.h (_m_from_int64): Likewise.
3361         (_mm_cvtsi64_m64): Likewise.
3362         (_m_to_int64): Likewise.
3363         (_mm_cvtm64_si64): Likewise.
3364         * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
3365         (_mm_cvttss_si64): Likewise.
3366         (_mm_cvtsi64_ss): Likewise.
3367         (_mm_cvtss_f32): Likewise.
3369 2006-01-27  Carlos O'Donell  <carlos@codesourcery.com>
3371         * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
3372         for pragma redefine_extname.
3374 2006-01-27  Jakub Jelinek  <jakub@redhat.com>
3376         PR target/25864
3377         * libgcc-std.ver: Add GCC_4.1.0 symbol version.
3378         * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
3379         -mno-minimal-toc to previous content.
3380         (bispecs): Remove goal.
3381         * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
3382         * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
3383         compatibility aliases on powerpc-*-*gnu*.
3384         * config/rs6000/libgcc-ppc-glibc.ver: New file.
3385         * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
3386         libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
3387         (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
3388         (ldblspecs): New goal.
3389         * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
3390         * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
3391         _df_to_tf.
3392         * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
3393         L_sf_to_tf or L_df_to_tf is defined.
3395 2006-01-27  David Edelsohn  <edelsohn@gnu.org>
3396             Alan Modra  <amodra@bigpond.net.au>
3398         PR target/25864
3399         * config/rs6000/linux.h (POWERPC_LINUX): Define.
3400         * config/rs6000/linux64.h (POWERPC_LINUX): Define.
3401         * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
3402         * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
3403         * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
3404         * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
3405         (rs6000_override_options): Initialize rs6000_ieeequad.
3406         Initialize TFmode format to ibm_extended_format if not
3407         TARGET_IEEEQUAD.
3408         (rs6000_handle_option): Accept -mabi= ibmlongdouble and
3409         ieeelongdouble.
3410         (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
3411         (rs6000_return_in_memory): Only return IEEEQUAD in memory.
3412         (function_arg_advance): IBM long double passed in two FPRs, not
3413         split.
3414         (function_arg): IBM long double passed in FPRs.
3415         (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
3416         (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
3417         Only multireg GPR aligned.
3418         (rs6000_init_libfuncs): Enable IBM long double functions if not
3419         IEEEQUAD.
3420         (rs6000_generate_compare): Use IBM long double compare if not
3421         TARGET_IEEEQUAD.
3422         * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
3423         (TARGET_IEEEQUAD): Define.
3424         (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
3425         not TARGET_IEEEQUAD.
3426         * config/rs6000/rs6000.md: Enable TFmode patterns if
3427         !TARGET_IEEEQUAD.
3428         * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
3429         * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
3430         and -mlong-double-128 are incompatible.
3431         * doc/invoke.texi (-mabi): Collect options together.  Add
3432         ibmlongdouble and ieeelongdouble.
3434 2006-01-27  Richard Sandiford  <richard@codesourcery.com>
3436         * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
3437         opaque type.
3438         * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
3439         * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
3440         (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
3441         * rtl.h (rtunion_def): Remove rt_ptr.
3442         (X0PTR): Delete.
3443         (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
3444         (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
3445         * config/i386/winnt.c (i386_pe_mark_dllexport)
3446         (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
3448 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
3450         * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
3452 2006-01-26 Alexandre Oliva  <aoliva@redhat.com>
3454         PR other/24829
3455         PR target/24831
3456         * gthr-dce.h: Do not gthrw-ify pthread_once_init,
3457         pthread_key_delete.  From John David Anglin.  gthrw-ify
3458         pthread_getunique_np only if it it's not a macro.  Delete
3459         UNUSED macro.
3460         (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
3461         __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
3462         __gthread_objc_condition_signal, __gthread_key_delete): Add
3463         "__attribute__ ((__unused__))" to unused arguments.
3464         (__gthread_recursive_mutex_init_function): Add missing return.
3465         * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
3466         gthr-posix95.h: Use macro-based approach for name redirection
3467         on targets missing weakref.
3469 2006-01-26  Zack Weinberg  <zackw@panix.com>
3471         * genconditions.c (write_header): In generated code, #ifdef out
3472         all includes and fake declarations, except includes of bconfig.h
3473         and system.h, unless GCC_VERSION >= 3001.  Do not include
3474         gensupport.h in any case.
3475         (write_conditions): Generate a definition of struct c_test.  Add
3476         a comment to the generated #endif.
3477         (write_one_condition): Escape backslashes in string too.
3478         (write_writer): Generated code must escape backslashes and quote
3479         marks (but not newlines) in the strings it writes.
3480         * Makefile.in (build/gencondmd.o): Update dependencies.
3482 2006-01-26  Steve Ellcey  <sje@cup.hp.com>
3484         PR target/25961
3485         * Makefile.in (insn-automata.o): Add header file dependencies.
3486         * genautomata.c: Add includes.
3488 2006-01-26  Steve Ellcey  <sje@cup.hp.com>
3490         PR target/25961
3491         * Makefile.in (insn-automata.o): Add -Wno-error flag.
3493 2006-01-26  Paolo Bonzini  <bonzini@gnu.org>
3495         * configure.ac: Expect target tools paths to be passed from the toplevel
3496         and wrap the detection into AS_SET_VAR_IF.  Extract side-effects out of
3497         AS_SET_VAR_IF.
3498         * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
3500 2006-01-26  Alexandre Oliva  <aoliva@redhat.com>
3502         PR c/25892
3503         * c.opt (Wpointer-sign): Init to -1.
3504         * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
3505         OPT_pedantic, to 0 otherwise.
3506         * doc/invoke.texi: Update.
3508 2006-01-26  Paolo Bonzini  <bonzini@gnu.org>
3510         * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
3511         constants provided by 80387 instructions in the destination mode.
3513 2006-01-26  Richard Guenther  <rguenther@suse.de>
3514             Andrew Pinski  <pinskia@physics.uc.edu>
3516         PR tree-opt/21470
3517         partial PR tree-opt/17064
3518         * tree-ssa-structalias.c (intra_create_variable_infos):
3519         Create heap variables for incoming parameters if
3520         flag_argument_noalias > 1.
3521         (find_what_p_points_to): Look through default defs of
3522         parameter decls.
3524 2006-01-26  Jeff Law  <law@redhat.com>
3526         PR ada/25900
3527         * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
3528         with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
3529         within the VR_RANGE, use the VR_RANGE as the result, not the
3530         VR_ANTI_RANGE.
3531         (adjust_range_with_scev): Reject ranges from SCEV which are out of
3532         bounds for the type.
3534 2006-01-26  Daniel Berlin  <dberlin@dberlin.org>
3536         * tree-ssa-alias.c (maybe_create_global_var): Change
3537         subvar walking to an assertion that we don't have subvar'd variables.
3539 2006-01-26  Andrew Pinski  <pinskia@physics.uc.edu>
3541         PR C/25861
3542         * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
3543         Use a new variable, inner.  PARM_DECLs are always non-weak.
3545 2006-01-26  Shantonu Sen  <ssen@opendarwin.org>
3547         * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
3548         --disable-checking.
3550 2006-01-26  Adam Nemet  <anemet@caviumnetworks.com>
3552         * config/mips/mips.md (*clear_upper32): New combiner pattern.
3554 2006-01-26  Richard Earnshaw  <richard.earnshaw@arm.com>
3556         * arm.md (smaxsi3, sminsi3): Convert to define_expand.
3557         (smax_insn, smin_insn, smax_0, smin_0): New.
3559 2006-01-26  Hans-Peter Nilsson  <hp@axis.com>
3561         PR target/25947
3562         * config/cris/cris.c (cris_order_for_addsi3): New function.
3563         * config/cris/cris-protos.h: Prototype it.
3564         * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
3565         (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
3566         (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
3567         (split for "op.S1 [rx=rx+i],ry (swapped)")
3568         (split for "op(s|u).S1 [rx=rx+i],ry")
3569         (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
3570         Apply cris_order_for_addsi3 when generating addsi3 insns.
3572 2006-01-25  Diego Novillo  <dnovillo@redhat.com>
3574         * tree.h (TREE_RANGE_CHECK): Fix range predicate.
3575         (TREE_BLOCK): Add call to EXPR_CHECK.
3577 2006-01-25  Diego Novillo  <dnovillo@redhat.com>
3579         PR 25886
3580         * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
3581         * tree-pretty-print.c (dump_omp_clause): Extract from ...
3582         (dump_omp_clauses): ... here.
3583         (dump_generic_node): Handle OMP_CLAUSE.
3584         * tree.c (omp_clause_num_ops): New.
3585         (omp_clause_code_name): New.
3586         (tree_code_size): Handle OMP_CLAUSE.
3587         (tree_size): Likewise.
3588         (make_node): Document handling of OMP_CLAUSE.
3589         (tree_node_structure): Handle OMP_CLAUSE.
3590         (omp_clause_check_failed): New.
3591         (omp_clause_range_check_failed): New.
3592         (omp_clause_operand_check_failed): New.
3593         (build_omp_clause): New.
3594         (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
3595         * tree.h (enum omp_clause_code): Declare.
3596         (OMP_CLAUSE_SUBCODE_CHECK): Define.
3597         (OMP_CLAUSE_RANGE_CHECK): Define.
3598         (OMP_CLAUSE_ELT_CHECK): Define.
3599         (omp_clause_check_failed): Declare.
3600         (omp_clause_operand_check_failed): Declare.
3601         (omp_clause_range_check_failed): Declare.
3602         (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
3603         (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
3604         (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
3605         (OMP_CLAUSE_LASTPRIVATE): Likewise.
3606         (OMP_CLAUSE_IF_EXPR): Likewise.
3607         (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
3608         (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
3609         (OMP_CLAUSE_REDUCTION_CODE): Likewise.
3610         (OMP_CLAUSE_REDUCTION_INIT): Likewise.
3611         (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
3612         (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
3613         Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
3614         (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
3615         (OMP_CLAUSE_DEFAULT_KIND): Likewise.
3616         (OMP_CLAUSE_CODE): Define.
3617         (OMP_CLAUSE_SET_CODE): Define.
3618         (OMP_CLAUSE_CODE): Define.
3619         (OMP_CLAUSE_OPERAND): Define.
3620         (struct tree_omp_clause): Declare.
3621         (union tree_node): Add field 'omp_clause'.
3622         * treestruct.def (TS_OMP_CLAUSE): Define.
3623         * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
3624         OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
3625         OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
3626         OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
3627         OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
3628         OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
3629         (OMP_CLAUSE): Define.
3630         * print-tree.c (print_node): Handle OMP_CLAUSE.
3631         * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
3632         * c-typeck.c: Likewise.
3633         * gimplify.c: Likewise.
3634         * c-omp.c: Likewise.
3635         * tree-nested.c: Likewise.
3636         * tree-inline.c: Likewise.
3637         * c-parser.c: Likewise.
3638         * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
3639         clauses.
3641 2006-01-25  Roger Sayle  <roger@eyesopen.com>
3643         PR rtl-optimization/25703
3644         * combine.c (try_combine): Handle zero_extract and strict_low_part
3645         of non-lowpart SUBREGs for constant reg_subword_p set optimization.
3647 2006-01-25  Peter Bergner  <bergner@vnet.ibm.com>
3649         * global.c: Fix comment typos.
3651 2006-01-25  Andrew Pinski  <pinskia@physics.uc.edu>
3653         PR target/25758
3654         * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
3655         Use output_addr_const instead of assemble_name.
3657 2006-01-25  Paolo Bonzini  <bonzini@gnu.org>
3659         * Makefile.in (sched-vis.o): Update dependencies.
3660         * haifa-sched.c (sched_finish): Clear current_sched_info.
3661         * cfg.c (dump_bb_info): New, split from dump_flow_info.
3662         (dump_flow_info): Call it.
3663         * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
3664         a slim RTL dump.
3665         * basic-block.h (dump_bb_info): Declare.
3666         * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
3667         option, and apply options only for dump files whose TDF_RTL,
3668         TDF_TREE, or TDF_IPA bits match.
3669         * rtl.h: Declare new functions exported from sched-vis.c.
3670         * sched-vis.c: Enable also if scheduling is not used.
3671         (print_value): Print the mode of registers if not inside scheduling.
3672         (print_insn): Make it work outside the scheduler.  Beautify the output
3673         a bit.
3674         (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
3676 2006-01-25  Richard Sandiford  <richard@codesourcery.com>
3678         * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
3679         * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
3680         a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
3681         depending on the value of CONSTANT_POOL_ADDRESS_P.
3682         * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
3683         SYMBOL_REF_DECL.
3684         * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
3685         rather than SYMBOL_REF_DECL.
3686         (rtx_constant_pool): Remove const_rtx_sym_htab.
3687         (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
3688         (init_varasm_status): Don't initialize const_rtx_sym_htab.
3689         (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
3690         Remove handling of const_rtx_sym_htab.
3691         (find_pool_constant): Delete.
3692         (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
3693         rather than find_pool_constant.
3694         (get_pool_constant_for_function): Delete.
3695         (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
3696         find_pool_constant.
3697         * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
3698         (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
3699         (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
3700         (SYMBOL_REF_CONSTANT): New macro.
3701         (get_pool_constant_for_function): Delete.
3702         * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
3703         rather than SYMBOL_REF_DECL.
3704         (i386_pe_mark_dllimport): Likewise.
3705         * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
3706         rather than SYMBOL_REF_DECL.
3707         * config/darwin.c (machopic_indirect_data_reference): Likewise.
3708         (machopic_indirect_call_target): Likewise.
3710 2006-01-25  Eric Botcazou  <ebotcazou@adacore.com>
3712         * flow.c (delete_noop_moves): Add missing EOL to dump message.
3714 2006-01-25  Richard Sandiford  <richard@codesourcery.com>
3716         * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
3718 2006-01-25  Kaz Kojima  <kkojima@gcc.gnu.org>
3720         * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
3722 2006-01-24  David Daney  <ddaney@avtrex.com>
3724         PR java/25816
3725         * configure.ac (enable_tls): New enable option.
3726         (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
3727         * configure: Regenerate.
3728         * doc/install.texi (--enable-tls): Document new option.
3729         (--disable-tls): Ditto.
3731 2006-01-24  Richard Henderson  <rth@redehat.com>
3733         * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
3734         * alias.c (true_dependence): Respect it.
3735         (canon_true_dependence, write_dependence_p): Likewise.
3736         * builtins.c (get_builtin_sync_mem): Set it.
3738 2006-01-25  Zdenek Dvorak <dvorakz@suse.cz>
3740         * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
3741         efficient way.
3743 2006-01-24  DJ Delorie  <dj@redhat.com>
3745         * expmed.c (store_bit_field): Don't arbitrarily deny using insv
3746         for storing constants in single-bit bitfields.
3748 2006-01-25  Ben Elliston  <bje@au.ibm.com>
3750         * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
3752 2006-01-24  Andrew Pinski  <pinskia@physics.uc.edu>
3754         PR tree-opt/25860
3755         * tree-ssa-pre.c (phi_translate): Return NULL
3756         for AGGREGATE_TYPE's.
3758 2006-01-24  Zack Weinberg  <zackw@panix.com>
3760         * genautomata.c (process_state_for_insn_equiv_partition):
3761         Use xcalloc for insn_arcs_array.
3762         * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
3763         (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
3765 2006-01-24  Richard Henderson  <rth@redhat.com>
3767         * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
3768         update all callers.
3770 2006-01-23  Paolo Bonzini  <bonzini@gnu.org>
3772         PR rtl-optimization/25890
3773         PR rtl-optimization/25905
3774         * combine.c (expand_compound_operation, expand_field_assignment):
3775         Fail if the bitfield's final position is out of bounds.
3777 2006-01-24  Ian Lance Taylor  <ian@airs.com>
3779         PR middle-end/25930
3780         * cgraphunit.c (cgraph_output_in_order): Don't clear
3781         cgraph_asm_nodes until after asm strings have been output.
3783 2006-01-23  Adam Nemet  <anemet@caviumnetworks.com>
3785         * fix-header.c (read_scan_file): Add new parameter imultilib when
3786         calling register_include_chains.
3788 2006-01-23  Diego Novillo  <dnovillo@redhat.com>
3790         * omp-low.c: Update documentation.
3792 2006-01-23  Andrew Pinski  <pinskia@physics.uc.edu>
3793             Daniel Berlin  <dberlin@dberlin.org>
3795         PR tree-opt/25315
3796         PR tree-opt/25857
3797         * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
3798         return from the function.
3800 2006-01-22  Zack Weinberg  <zackw@panix.com>
3802         * rtl.def (match_code): Add second argument.
3803         * genpreds.c (write_extract_subexp): New function.
3804         (write_match_code): Add path argument.  Use write_extract_subexp.
3805         (write_predicate_expr): Pass path to write_match_code.
3806         (mark_mode_tests): MATCH_CODE applied to a subexpression does
3807         not perform a mode test.
3808         * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
3809         a subexpression does not constrain the top-level code set.
3810         * read-rtl.c (read_rtx_variadic): New function.
3811         (read_rtx_1): Use it; allow AND and IOR to be variadic.
3812         * doc/md.texi: Document new notation.
3813         * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
3814         (cmpsi_operand): ... here, using new notation.
3816 2006-01-22  Zack Weinberg  <zackw@panix.com>
3818         * varray.c: Remove GENERATOR_FILE #ifdefs.
3820 2006-01-22  Zack Weinberg  <zackw@panix.com>
3822         * genautomata.c (output_reserved_units_table): Emit nothing if
3823         description->query_units_num is zero.  Remove extra blank line.
3824         (output_cpu_unit_reservation_p): Short circuit
3825         if description->query_units_num is zero.
3827 2006-01-22  Zack Weinberg  <zackw@panix.com>
3829         * genattrtab.c: Don't include genattrtab.h.  Define ATTR_NONE
3830         and ATTR_SPECIAL (from genattrtab.h).  Don't define num_dfa_decls
3831         nor any of the random handful of variables that used to be necessary
3832         when this program was linked with rtlanal.o.  Prune set of forward
3833         function declarations.
3834         (struct attr_desc): Remove static_p field.
3835         (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
3836         (check_attr_test, make_internal_attr, make_numeric_value): Make static.
3837         (attr_string): Do not read the character one past the length of
3838         the string.
3839         (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
3840         (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
3841         (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
3842         (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
3843         (make_automaton_attrs): New.
3844         (main): Do not call into genautomata.  Call local gen_bypass
3845         and gen_insn_reserv as appropriate.  Call make_automaton_attrs.
3846         Remove special case for insn_alts.
3847         * genautomata.c: Include gensupport.h; not genattrtab.h nor
3848         varray.h (leftover from previous change).  Prune set of forward
3849         function declarations.  Remove state_alts fields from all
3850         structures.  Remove state_alts_table from struct automaton.
3851         Make everything except main static.  Do not maintain num_dfa_decls.
3852         Do not maintain state_alts fields of various structures.
3853         (process_decls): Don't validate condexp for dm_insn_reserv decls.
3854         (add_arc): Remove state_alts argument.  All callers updated.
3855         (output_reserved_units_table): Emit #ifdef here...
3856         (output_tables): ...not here.  Don't generate state_alts tables.
3857         (expand_automata): Don't generate attributes.
3858         (write_automata): Don't generate state_alts functions.
3859         (main): New function.
3860         (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
3861         (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
3862         (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
3863         (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
3864         (BYPASS_P_FUNC_NAME, output_state_alts_table)
3865         (output_automata_list_state_alts_code, output_internal_state_alts_func)
3866         (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
3867         (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
3868         Delete.
3869         * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
3870         * genattrtab.h: Delete file.
3871         * Makefile.in (OBJS-common): Add insn-automata.o.
3872         (insn-automata.o): New rule.
3873         (simple_generated_c): Add insn-automata.c.
3874         (build/genattrtab.o, build/genautomata.o): Update dependencies.
3875         (genprogmd): Add automata.
3876         (build/genattrtab): Needs no extra objects nor libraries.
3877         (build/genautomata): Needs build/vec.o and -lm.
3879 2006-01-22  Zack Weinberg  <zackw@panix.com>
3881         * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
3882         (output_dfa_max_issue_rate, locked_states_num): Delete.
3883         (struct automaton): Add locked_states field.
3884         (output_dead_lock_vect): Save number of locked states in
3885         automaton->locked_states.  If it is zero, don't print anything.
3886         (output_max_insn_queue_index_def): Define max_insn_queue_index const.
3887         (output_internal_dead_lock_func): Only test the dead_lock_vect
3888         for automata that have locked states.
3889         (output_statistics): Always print the number of locked states for
3890         each automaton.  Calculate total number of locked states here.
3891         (write_automata): Don't call output_dfa_max_issue_rate.
3892         * genattrtab.c: Define length_unit_log as a const variable.
3893         * genattr.c: Don't emit MAX_DFA_ISSUE_RATE.  Declare
3894         max_insn_queue_index const.
3895         * final.c (length_unit_log): Declare const.
3896         * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
3898 2006-01-22  Zack Weinberg  <zackw@panix.com>
3900         * genautomata.c:  Include vec.h, not varray.h.
3901         Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
3902         VLA_HWINT_ macros.  Change vla_hwint_t to a typedef for
3903         VEC(vect_el_t,heap) *.  Convert all uses of VLA_* macros to
3904         VEC_* macros operating on appropriately typed vectors, or to
3905         malloced arrays when the size is known in advance.  Const-ify
3906         many char* variables and function arguments.  No functional changes.
3907         * Makefile.in (build/varray.o): Delete rule.
3908         (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
3909         (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
3911 2006-01-22  Zack Weinberg  <zackw@panix.com>
3913         * gensupport.c: Define get_insn_name and record_insn_name here.
3914         (read_md_rtx): Call record_insn_name as appropriate.
3915         * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
3916         * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
3917         * genpreds.c, genrecog.c: Don't define get_insn_name nor
3918         record_insn_name.
3919         * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
3920         (BUILD_VARRAY): Delete.
3921         (genprognormal): Rename genprogmd.  Fold in all programs from
3922         genprognoprint; also attrtab.
3923         (build/genattrtab): Just mention genautomata.o and varray.o.
3924         Reorganize a bit, add comments to make the categories clearer.
3926 2006-01-22  Zack Weinberg  <zackw@panix.com>
3928         * genconditions.c (condition_table, add_condition): Delete.
3929         (write_conditions): Don't emit n_insn_conditions nor
3930         insn_elision_unavailable.  Issue the gcc version #ifdef here,
3931         inside the table, with no #else clause ...
3932         (write_header): ...not here.
3933         (write_writer): New function.
3934         (main): Don't initialize condition_table.  Use add_c_test.
3935         Call write_writer.
3936         * gensupport.c (init_md_reader_args_cb): Handle multiple input
3937         files on the command line.
3938         (maybe_eval_c_test): Don't check insn_elision_unavailable.
3939         Return -1 if there is no entry in the table, don't abort.
3940         (add_c_test, traverse_c_tests): New functions.
3941         * gensupport.h (insn_elision_unavailable, insn_conditions)
3942         (n_insn_conditions): Delete declarations.
3943         (add_c_test, traverse_c_tests): Declare.
3944         * read-rtl.c: Include gensupport.h.
3945         (read_conditions): New function.
3946         (read_rtx): If read_rtx_1 returns 0, treat as EOF.
3947         (read_rtx_1): If we get EOF when we were looking for an initial
3948         open paren, return 0.  Call read_conditions when appropriate.
3949         * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
3950         dummy-conditions.o.  Eliminate references to insn-conditions.o,
3951         or change them to build/gencondmd.o, as appropriate.  Remove
3952         insn-constants.h from $(simple_generated_h) and insn-conditions.c
3953         from $(simple_generated_c).  For all files remaining in those
3954         two lists, add insn-conditions.md to the generator command line.
3955         Give insn-constants.h/s-constants their own rules.  Add rules
3956         for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
3957         (build/read-rtl.o): Depend on gensupport.h.
3958         (genprognormal): Include preds.
3959         (genprogearly): Rename genprognoprint; only difference is now that
3960         they don't link with $(BUILD_PRINT).
3961         * dummy-conditions.c: Delete.
3963 2006-01-22  Zack Weinberg  <zackw@panix.com>
3965         * genextract.c: Don't include insn-config.h.  Do include vec.h.
3966         Declare vectors of int, char, and locstr.
3967         (locstr): New typedef.
3968         (struct extraction): Make all array fields into bare pointers.
3969         (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
3970         (insn_code_number): Delete.
3971         (accum_extract): New struct.
3972         (VEC_safe_set_locstr, VEC_char_to_string): New functions.
3973         (gen_insn): Take insn_code_number as an argument.  Use an
3974         accum_extract structure instead of loading data directly into
3975         a struct extraction, and having to know how big it might get.
3976         (walk_rtx): Operate entirely on an accum_extract structure.
3977         (print_path): Avoid unnecessary use of printf.
3978         (print_header): New function, split out of main.  Distinguish
3979         more carefully between an unrecognizable insn and an insn that
3980         has the code number of a define_expand.
3981         (main): Pass insn_code_number to gen_insn.  Call print_header
3982         only after parsing.  Avoid unnecessary use of printf.
3983         * Makefile.in (build/vec.o): New rule.
3984         (build/genextract): Depend on build/vec.o.
3985         (build/genextract.o): Don't depend on insn-config.h.
3987 2006-01-22  Zack Weinberg  <zackw@panix.com>
3989         * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
3990         $(RUN_GEN).  Use pattern rules to factor out as much boilerplate as
3991         practical.  Eliminate per-generator-program link rules.
3993 2006-01-23  Andrew Pinski  <pinskia@physics.uc.edu>
3995         PR middle-end/24437
3996         * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
3997         with a call expr to ...
3998         * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
4000 2006-01-23  Richard Guenther  <rguenther@suse.de>
4002         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
4003         before make_edge with conditional EDGE_TRUE_VALUE.
4005 2006-01-23  Steven Bosscher  <stevenb.gcc@gmail.com>
4006         Jan Hubicka  <jh@suse.cz>
4007         Richard Guenther  <rguenther@suse.de>
4009         PR rtl-optimization/25654
4010         * cfgexpand.c (aggregate_contains_union_type): New function.
4011         (add_alias_set_conflicts): Call it.  Make sure to add conflicts
4012         for structure variables that contain a union type.
4014 2006-01-23  Richard Sandiford  <richard@codesourcery.com>
4016         * gengtype.c (new_structure): Return the structure.
4017         (create_option): Add an extra "next" argument.
4018         (create_field): New function.
4019         (adjust_field_rtx_def): Use create_option and create_field.
4020         Remove a now-unnecessary call to find_structure.
4021         (adjust_field_tree_def): Likewise.
4022         (note_yacc_type): Remove an unnecessary call to find_structure.
4023         * gengtype.h (new_structure): Return the structure.
4024         (create_option): Add an extra argument.
4025         * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
4026         (option): Adjust calls to create_option.
4028 2006-01-22  David Edelsohn  <edelsohn@gnu.org>
4030         * config/rs6000/aix.h (STACK_BOUNDARY): Define.
4032 2006-01-22  Paul Brook  <paul@codesourcery.com>
4033         Peter Barada  <peter@the-baradas.com>
4035         * config/m68k/m68k.md: Add Coldfire FPU support.
4036         Define FP mode macro and associated attributes.
4037         Use it for float mode patterns.
4038         * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
4039         (LIBCALL_VALUE): Use m68k_libcall_value.
4040         * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
4041         (m68k_function_value): Ditto.
4042         (emit_move_sequence): Ditto.
4043         * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
4044         * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
4045         * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
4046         (MULTILIB_EXCEPTIONS): Ditto.
4047         * config/m68k/m68k.opt: Add mcfv4e.
4048         * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
4049         (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
4050         (m68k_output_function_prologue): Save ColdFire FPU registers.
4051         (m68k_output_function_epilogue): Restore ColdFire FPU registers.
4052         (force_mode, fp_reg_operand, emit_move_sequence): New functions.
4053         (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
4054         ColdFire FPU registers.
4055         (m68k_libcall_value, m68k_function_value): New functions.
4056         * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
4057         (LIBCALL_VALUE): Use m68k_libcall_value.
4058         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
4059         (MASK_COLDFIRE): Add MASK_CFV4E.
4060         (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
4061         (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
4062         (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
4063         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
4064         (GO_IF_LEGITIMATE_ADDRESS): Use it.
4065         (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
4066         * doc/invoke.tex: Document -mcfv4e on m68k.
4068 2006-01-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
4070         * doc/contribute.texi: Change CVS to SVN and update the corresponding
4071         URL.
4073 2006-01-21  Gabriel Dos Reis  <gdr@integrable-solutions.net>
4075         PR c++/16190
4076         * c-opts.c (c_common_handle_option): Don't include
4077         -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
4078         * doc/invoke.texi (C++ Dialect Options): Document that
4079         -Wnon-virtual-dtor is no longer included in -Wall.
4081 2006-01-21  Joseph S. Myers  <joseph@codesourcery.com>
4083         * gcov.c (print_version), gcov-dump.c (print_version),
4084         mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
4085         dates.
4087 2006-01-21  Kenneth Zadeck <zadeck@naturalbridge.com>
4089         * df-scan.c (problem_SCAN): Added NULL reset function.
4090         (df_scan_reset_blocks): Added code to call reset block function
4091         (df_bb_refs_delete) Fixed comment.
4092         (df_insn_refs_delete): Made tolerant of deleting non existent info
4093         for dataflow problems that need to be reset.
4094         * df-core.c (df_set_blocks): Ditto.
4095         * df.h (struct df_problem): Added reset_fun.
4096         * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
4097         problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
4098         (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
4099         functions to clear out all references to def-use or use-def chains.
4101 2006-01-21  Ben Elliston  <bje@au.ibm.com>
4103         * varasm.c (assemble_real): Initialise data array.
4105 2006-01-20  Paul Brook  <paul@codesourcery.com>
4107         Merge from csl-arm-branch.
4108         2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
4109         * config/arm/arm.md (movdi): Force operands[1] to a register
4110         if we have a non-register source.
4111         (*arm_movdi, *movdf_soft_insn): Require that one of the
4112         operands be a register.
4113         * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
4114         * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
4116 2006-01-20  DJ Delorie  <dj@redhat.com>
4118         * varasm.c (initialize_constant_valid_p): Allow pointers
4119         initialized from integer constants of lesser precision.
4120         (output_constant): Allow non-int-sized pointer modes to be
4121         initialized from integer constants.
4123 2006-01-20  Joseph S. Myers  <joseph@codesourcery.com>
4125         PR libstdc++/25524
4126         * cppdefault.h (struct default_include): Add multilib flag.
4127         * cppdefault.c (cpp_include_defaults): Set it.
4128         * c.opt (-imultilib): New option.
4129         * c-opts.c (imultilib): New.
4130         (c_common_handle_option): Handle -imultilib.
4131         (c_common_post_options): Likewise.
4132         * c-incpath.c (add_standard_paths, register_include_chains):
4133         Likewise.
4134         * c-incpath.h (register_include_chains): Add extra parameter.
4135         * gcc.c (do_spec_1): Generate -imultilib option.
4136         (The Specs Language): Update %I description.
4137         (process_command): Update copyright notice.
4138         * doc/cppopts.texi (-imultilib): Document.
4139         * doc/invoke.texi (-imultilib): Include in option summary.
4140         (%I): Update specs documentation.
4142 2006-01-20  Zdenek Dvorak <dvorakz@suse.cz>
4144         * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
4146 2006-01-20  Richard Sandiford  <richard@codesourcery.com>
4148         * stmt.c (case_bit_test_cmp): Stabilize the sort using code
4149         label numbers.
4151 2006-01-20  Richard Guenther  <rguenther@suse.de>
4152         Steven Bosscher <stevenb.gcc@gmail.com>
4154         PR rtl-optimization/24626
4155         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
4156         EDGE_TRUE_VALUE if in RTL mode.
4158         Revert
4159         2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
4160         * cfgrtl.c (rtl_verify_flow_info_1): Fix.
4162 2006-01-20  Dirk Mueller  <dmueller@suse.com>
4164         PR c++/5520
4165         * c-parser.c (c_parser_if_body): Use build_empty_stmt()
4166         instead of a special NOP marker.
4167         * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
4168         NOP marker handling.
4169         * c-common.h (empty_body_warning): Add forward declaration.
4170         * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
4171         Now uses IS_EMPTY_STMT() instead of special NOP markers.
4173 2006-01-20  Paul Brook  <paul@codesourcery.com>
4175         * Makefile.in (lang_checks): Keep going if mkdir fails.
4177 2006-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
4179         * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
4180         be able to clean out basic block when not necessary.
4181         (df_scan_free): Fixed to properly delete information if df is
4182         unused before calling df_finish.
4183         (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
4184         df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
4185         or comment typos.
4186         (df_bb_refs_delete): New function.
4187         (df_refs_delete): Moved per block code to df_bb_refs_delete.
4188         * df-core.c (df_set_blocks): Added code to properly clean out
4189         unused blocks if they are not part of the blocks to consider.
4190         Added additional null check.
4191         (df_compact_blocks): Added basic block parameter to free_bb_fun to
4192         be able to clean out basic block when not necessary
4193         * df.h (df_free_bb_function): Ditto.
4194         (df_bb_refs_delete): New function.
4195         * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
4196         df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
4197         basic block parameter to be able to clean out basic block when not
4198         necessary.
4199         (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
4200         (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
4201         Fixed to properly delete information if df is unused before
4202         calling df_finish.
4204 2006-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
4206         PR rtl-optimization/25799
4207         * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
4208         Corrected confluence operator to remove bits from op2 before oring
4209         with op1 rather than removing bits from op1.
4210         (df_ru_transfer_function): Corrected test on wrong bitmap which
4211         caused infinite loop.  Both of these problems were introduced in
4212         the dataflow rewrite.
4214 2006-01-19  DJ Delorie  <dj@redhat.com>
4216         * reload1.c (find_reload_regs): Note the details of reload
4217         failures in the dump file.
4218         (spill_failure): Likewise.
4220 2006-01-20  Zdenek Dvorak <dvorakz@suse.cz>
4222         * loop-iv.c: Include df.h and hashtab.h.
4223         (enum iv_grd_result): New enum.
4224         (DF_REF_IV, DF_REF_IV_SET): New macros.
4225         (struct biv_entry): New.
4226         (df, bivs): New global variables.
4227         (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
4228         assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
4229         Removed.
4230         (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
4231         iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
4232         analyzed_for_bivness_p, record_biv): New functions.
4233         (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
4234         get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
4235         iv_analyze, biv_p, iv_analysis_done): Work with df representation of
4236         UD chains.
4237         (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
4238         analysed.
4239         (iv_number_of_iterations): Use new interface to iv analysis.
4240         * loop-unroll.c: Do not include varray.h.
4241         (analyze_iv_to_split_insn): Use new interface to iv
4242         analysis.
4243         * loop-unswitch.c (may_unswitch_on): Ditto.
4244         * df.c (df_bitmaps_free): Only work for bbs for that structures are
4245         allocated.
4246         (df_bb_modify): Realloc tables to the new index.
4247         (df_find_use): New function.
4248         * df.h (df_find_use): Declare.
4249         * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
4250         outmode.
4251         * cfgloop.h (struct rtx_iv): Remove analysed field.
4252         (iv_get_reaching_def): Removed.
4253         (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
4254         * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
4255         (loop-iv.o): Add df.h and hashtab.h dependency.
4256         * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
4258 2006-01-20  Alan Modra  <amodra@bigpond.net.au>
4260         PR target/25668
4261         * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
4262         Double TFmode.
4263         (__floatundisf, __floatundidf): Likewise.
4264         * libgcc2.h (IS_IBM_EXTENDED): Define.
4266 2006-01-19  DJ Delorie  <dj@redhat.com>
4268         * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
4270 2006-01-19  Paul Brook  <paul@codesourcery.com>
4272         * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
4273         as nothrow when unwinding tables are disabled.
4275 2006-01-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4277         PR testsuite/25171
4278         * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
4279         of bit-field" when in system header.
4281 2006-01-19  DJ Delorie  <dj@redhat.com>
4283         * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
4284         the 16 bit shift limit of the m16c.
4286 2006-01-19  Andrew Pinski  <pinskia@physics.uc.edu>
4288         PR target/22099
4289         * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
4290         * config/i386/i386.c (output_set_got): Output the label if we have one
4291         for the TARGET_DEEP_BRANCH_PREDICTION case.
4293 2006-01-19  Jan Hubicka  <jh@suse.cz>
4294             H.J. Lu  <hongjiu.lu@intel.com>
4295             Evandro Menezes <evandro.menezes@amd.com>
4297         * invoke.texi (generic): Document
4298         (i686) Update.
4299         * config.gcc: Make x86_64-* and i686-* default to generic tunning.
4300         * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
4301         TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
4302         (x86_use_incdec, x86_pad_returns): New variables
4303         (TARGET_CPU_DEFAULT_generic): New constant
4304         (TARGET_CPU_DEFAULT_NAMES): Add generic.
4305         (enum processor_type): Add generic32 and generic64.
4306         * i386.md (cpu attribute): Add generic32/generic64
4307         (movhi splitter): Behave sanely when both partial_reg_dependency and
4308         partial_reg_stall are set.
4309         (K8 splitters): Enable for generic as well.
4310         * predicates.md (incdec_operand): Use TARGET_INCDEC
4311         (aligned_operand): Avoid memory mismatch stalls.
4312         * athlon.md: Enable for generic64, new patterns for 128bit moves.
4313         * ppro.md: Enable for generic32
4314         * i386.c (generic64_cost, generic32_cost): New.
4315         (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
4316         (x86_use_leave): Enable for generic64.  (x86_use_sahf,
4317         x86_ext_80387_constants): Enable for generic32.  (x86_push_memory,
4318         x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
4319         x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
4320         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
4321         x86_partial_reg_dependency, x86_memory_mismatch_stall,
4322         x86_accumulate_outgoing_args, x86_prologue_using_move,
4323         x86_epilogue_using_move, x86_arch_always_fancy_math_387,
4324         x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
4325         Enable for generic.
4326         (x86_use_incdec, x86_pad_returns): New.
4327         (override_options): Add generic32 and generic64, translate "generic"
4328         to generic32/generic64 and "i686" to "generic32", refuse
4329         "generic32"/"generic64" as arch target.
4330         (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
4331         (ix86_reorg): Honor PAD_RETURNS.
4333 2006-01-19  Diego Novillo  <dnovillo@redhat.com>
4335         * tree-pretty-print.c (dump_generic_node): Handle
4336         OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
4337         * cgraph.c (cgraph_expand_queue): Rename from
4338         cgraph_analyze_queue.  Update all users.
4339         * cgraphunit.c (cgraph_assemble_pending_functions): Process
4340         cgraph_expand_queue.
4341         (cgraph_expand_all_functions): Likewise.
4342         (cgraph_finalize_pending_functions): Remove.  Update callers.
4344         * tree.h (OMP_DIRECTIVE_P): Define.
4345         (OMP_PARALLEL_FN): Define.
4346         (OMP_PARALLEL_DATA_ARG): Define.
4347         (OMP_SECTIONS_SECTIONS): Define.
4348         * tree-pass.h (pass_expand_omp): Declare.
4349         * omp-low.c (struct omp_region): Declare.
4350         (struct omp_context): Remove fields 'parallel_type',
4351         'parallel_start_ix' and 'parallel_start_additional_args'.
4352         Update all users.
4353         (struct omp_for_data): Rename from struct expand_omp_for_data.
4354         (omp_regions): New static variable.
4355         (root_omp_region): New static variable.
4356         (find_omp_clause): Make static.
4357         (is_in_combined_parallel_ctx): Remove.
4358         (is_combined_parallel): New.
4359         (extract_omp_for_data): Move earlier in the file.
4360         (workshare_safe_to_combine_p): New.
4361         (get_ws_args_for): New.
4362         (determine_parallel_type): Move earlier in the file.
4363         (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
4364         child function.
4365         (omp_copy_decl): Likewise.
4366         (create_omp_child_function): Likewise.
4367         (lookup_omp_region): New.
4368         (dump_omp_region): New.
4369         (debug_omp_region): New.
4370         (debug_all_omp_regions): New.
4371         (new_omp_region): New.
4372         (scan_omp_parallel): If parallel_nesting_level > 1, the
4373         directive is nested within another parallel directive.
4374         Set OMP_PARALLEL_FN.
4375         (scan_omp_for): Do not try to handle combined parallel+for
4376         cases.
4377         Remove FIXME comment.
4378         (scan_omp_nested): Remove.
4379         (scan_omp_1): Do not call scan_omp_nested when
4380         parallel_nesting_level is > 1.
4381         Do not change the DECL_CONTEXT of local variables found.
4382         (lookup_decl_in_outer_ctx): New.
4383         (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
4384         (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
4385         (lower_reduction_clauses): Rename from expand_reduction_clauses.
4386         (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
4387         If CTX is nested, lookup VAR in the outer context when
4388         building copy assignment.
4389         (lower_send_clauses): Rename from expand_send_clauses.
4390         If CTX is nested, lookup VAR in the outer context when
4391         building copy assignments.
4392         (lower_send_shared_vars): Rename from expand_send_shared_vars.
4393         If CTX is nested, lookup VAR in the outer context when
4394         building copy assignments.
4395         (expand_parallel_call): Rename from build_parallel_call.
4396         Handle combined parallel+workshare cases.
4397         Re-implement to emit code into the CFG.
4398         (list2chain): New.
4399         (expand_omp_parallel): Re-implement to emit code into the CFG.
4400         Call move_sese_region_to_fn to outline the sub-graph
4401         containing the parallel region.
4402         (expand_omp_for_1): Remove.
4403         (expand_omp_for_generic): Re-implement to emit code into the
4404         CFG.
4405         (expand_omp_for_static_nochunk): Likewise.
4406         (expand_omp_for_static_chunk): Likewise.
4407         (expand_omp_for): Likewise.
4408         (expand_omp_sections): Likewise.
4409         (remove_exit_barriers): New.
4410         (expand_omp_synch): New.
4411         (expand_omp): New.
4412         (build_omp_regions_1): New.
4413         (build_omp_regions): New.
4414         (execute_expand_omp): New.
4415         (gate_expand_omp): New.
4416         (pass_expand_omp): Define.
4417         (lower_omp_sections): Rename from expand_omp_sections.
4418         Set OMP_SECTIONS_SECTIONS.
4419         (lower_omp_single_simple): Rename from expand_omp_single_simple.
4420         (lower_omp_single_copy): Rename from expand_omp_single_copy.
4421         (lower_omp_single): Rename from expand_omp_simple.
4422         (lower_omp_master): Rename from expand_omp_master.
4423         (lower_omp_ordered): Rename from expand_omp_ordered.
4424         (lower_omp_critical): Rename from expand_omp_critical.
4425         (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
4426         (lower_omp_for): Re-implement.
4427         (lower_omp_parallel): Re-implement.
4428         (lower_regimplify): Rename from expand_regimplify.
4429         (lower_omp_1): Rename from expand_omp_1.
4430         If there are syntax errors in the program, replace every
4431         OpenMP directive with NOP.
4432         Call lower_omp_* instead of expand_omp_*.
4433         (lower_omp): Rename from expand_omp.
4435         * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
4436         * tree-gimple.h (enum omp_parallel_type): Remove.
4437         (gimple_boolify): Declare extern.
4438         (find_omp_clause, determine_parallel_type): Remove.
4440         * gimple-low.c (lower_omp_directive): New.
4441         (lower_stmt): Call it.
4442         (record_vars_into): Move from ...
4443         (record_vars): ... here.
4444         Call record_vars_into with current_function_decl.
4446         * gimplify.c (struct gimplify_ctx): Remove fields
4447         combined_pre_p and combined_ctxp.  Update users.
4448         (get_formal_tmp_var): Add documentation.
4449         (gimple_boolify): Make extern.
4450         (gimplify_expr_in_ctx): Remove.  Update callers.
4451         (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
4452         will always be a BIND_EXPR.
4453         (gimplify_expr): Handle OMP_RETURN_EXPR.
4454         * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
4455         (OMP_PARALLEL): Add 3 operands.
4456         (OMP_SECTIONS): Add 1 operand.
4457         (OMP_RETURN_EXPR): Define.
4459         * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
4460         (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
4461         * tree-iterator.c (alloc_stmt_list): Assert that we are not
4462         creating a circular free list.
4463         (free_stmt_list): Assert that we are not freeing stmt_list_cache.
4465         * tree-flow.h (move_sese_region_to_fn): Declare.
4466         (record_vars_into): Declare.
4467         * tree-cfg.c (make_omp_sections_edges): New.
4468         (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
4469         OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
4470         OMP_SECTIONS and OMP_SECTION.
4471         (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
4472         (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
4473         (verify_stmt): Do not handle OMP_DIRECTIVE_P.
4474         (gather_blocks_in_sese_region): New.
4475         (struct move_stmt_d): Declare.
4476         (move_stmt_r): New.
4477         (move_block_to_fn): New.
4478         (move_sese_region_to_fn): New.
4480         * passes.c (init_optimization_passes): Schedule
4481         pass_expand_omp after pass_init_datastructures.
4483         * tree-ssa-operands.c (get_expr_operands): Handle
4484         OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
4485         OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
4487 2006-01-19  Jeff Law  <law@redhat.com>
4489         * tree-vrp.c (extract_range_from_assert): Refine the result range
4490         if the variable referenced by the ASSERT_EXPR has a range and
4491         either the tentative result range or the previous range is a
4492         VR_ANTI_RANGE.
4494 2006-01-19  Richard Sandiford  <richard@codesourcery.com>
4496         * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
4498 2006-01-19  Jan Hubicka  <jh@suse.cz>
4500         * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
4502 2006-01-19  Paolo Bonzini  <bonzini@gnu.org>
4504         * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
4505         (expand_compound_operation, expand_field_assignment): Fail if the
4506         bit lengths of an extract operation are out of range.
4507         (make_extraction): Compute wanted_inner_mode based on the position
4508         and length of the extraction.  Make it extraction_mode for non-constant
4509         positions, and do not modify offset in that case.  When generating a
4510         new MEM, use a mode that can hold the extraction while keeping correct
4511         alignment.  Remove code that supported MEMs wrapped by USEs.
4512         (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
4514 2006-01-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4516         * config/s390/s390.md ("Y", "y"): New mode attribute.
4517         ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
4518         "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
4519         "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
4520         "*addsi3_imm_cc", "*addsi3_carry1_cc",
4521         "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
4522         "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
4523         "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
4524         "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
4525         "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
4526         "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
4527         "addsi3", "subsi3"): Insn patterns removed.
4528         ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
4529         "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
4530         "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
4531         "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
4532         "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
4533         "*sub<mode>3_cconly2"): New insn patterns.
4534         ("addsi3", "subsi3"): New expanders.
4536 2006-01-19  Dorit Nuzman  <dorit@il.ibm.com>
4538         * Makefile.in (tree-vect-patterns.o): Add rule for new file.
4539         * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
4540         existing STMT_VINFO_VECTYPE if available.
4541         (vect_mark_relevant): Add special handling for stmts that are
4542         marked as STMT_VINFO_IN_PATTERN_P.
4543         (vect_analyze_loop): Call vect_pattern_recog.
4544         * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
4545         * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
4546         stmt_info.
4547         (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
4548         (vect_recog_func_ptr): New function-pointer type.
4549         * tree-vect-patterns.c: New file.
4550         (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
4551         (vect_recog_dot_prod_pattern, vect_pattern_recog):
4552         (vect_pattern_recog_1): New functions.
4553         (vect_pattern_recog_funcs): New array of function pointers.
4555         * tree-vectorizer.h (ternary_op): New enum value.
4556         * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
4557         declaration. Revised documentation. Removed redundant dump prints.
4558         Removed redundant argument. Added support for reduction patterns.
4559         (vectorizable_reduction): Added support for reduction patterns.
4560         (vect_transform_stmt): Added support for patterns.
4562         * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
4563         * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
4564         * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
4565         (expand_widen_pattern_expr): New function.
4566         (init_optabs): Initialize new optabs udot_prod_optab,
4567         sdot_prod_optab.
4568         * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
4569         (sdot_prod_optab, udot_prod_optab): Define new optabs.
4570         (expand_widen_pattern_expr): New function declaration.
4571         * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
4572         tree-codes.
4573         * tree-inline.c (estimate_num_insns_1): Added cases for new
4574         tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
4575         * tree-pretty-print.c (dump_generic_node): Likewise.
4576         (op_prio): Likewise.
4577         (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
4578         * tree-ssa-operands.c (get_expr_operands): Added case for
4579         DOT_PROD_EXPR.
4580         * tree-vect-patterns.c (widened_name_p): New function.
4581         (vect_recog_dot_prod_pattern): Added function implementation.
4582         * tree-vect-transform.c (get_initial_def_for_reduction): Added
4583         cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
4584         * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
4585         * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
4587         * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
4588         * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
4589         * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
4590         (init_optabs): Initialize new optabs widen_ssum_optab,
4591         widen_usum_optab.
4592         * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
4593         (widen_ssum_optab, widen_usum_optab): Define new optabs.
4594         * tree-vect-generic.c: (expand_vector_operations_1): Check type of
4595         use instead of type of def.
4596         * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
4597         function implementation.
4598         * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
4599         widen_ssumv8hi): New.
4601         * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
4602         patterns.
4604 2006-01-19  Richard Sandiford  <richard@codesourcery.com>
4606         PR c/25805
4607         * c-decl.c (add_flexible_array_elts_to_size): New function.
4608         (finish_decl): Use it.
4610 2006-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
4612         * diagnostic.h: Include options.h.
4613         * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
4614         dependancies for diagnostic.h.
4615         * Makefile.in (DIAGNOSTIC_H): Add options.h.
4617 2006-01-16  Daniel Berlin  <dberlin@dberlin.org>
4619         * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
4620         (ssa_ro_call_cache_valid): Ditto.
4621         * tree-ssa-alias.c (sort_tags_by_id): New function.
4622         (init_transitive_clobber_worklist): Ditto.
4623         (add_to_worklist): Ditto.
4624         (mark_aliases_call_clobbered): Ditto.
4625         (compute_tag_properties): Ditto.
4626         (set_initial_properties): Ditto.
4627         (compute_call_clobbered): Ditto.
4628         (compute_may_aliases):  Call compute_call_clobbered and grouping.
4629         (compute_flow_sensitive_aliasing): Remove clobbering related code.
4630         (compute_flow_insensitive_aliasing): Grouping now happens in our
4631         caller.
4632         (setup_pointers_and_addressables): Remove clobbering related code.
4633         (add_may_alias): Ditto.
4634         (replace_may_alias): Ditto.
4635         (get_nmt_for): Ditto.
4636         (create_global_var):
4637         (is_escape_site): Return an escape_type enumeration.
4638         * tree-flow-inline.h (is_call_clobbered):  Global var does not
4639         imply call clobbered.
4640         (mark_call_clobbered): Take a reason for marking this. Remove
4641         marking of globalness, and cache invalidation.
4642         (clear_call_clobbered): Remove cache invalidation code.
4643         * tree-dfa.c (dump_variable): If details is on, dump the reason
4644         for escaping.
4645         * tree-outof-ssa.c (create_temp): Copy escape mask from original
4646         variable.
4647         * tree-flow.h (struct ptr_info_def): Add escape mask member.
4648         (struct var_ann_d): Ditto.
4649         (enum escape_type): New.
4650         (mark_call_clobbered): Adjust prototype.
4651         * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
4652         are never call clobbered.
4653         Record reasons for escaping.
4654         * tree-ssa-structalias.h (is_escape_site): Update prototype.
4655         * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
4656         (ssa_ro_call_cache_valid): Ditto.
4657         (clobbered_v_may_defs): Ditto.
4658         (clobbered_vuses): Ditto.
4659         (ro_call_vuses): Ditto.
4660         (clobber_stats): New.
4661         (init_ssa_operands): Zero out clobber stats.
4662         (fini_ssa_operands): Print out clobber stats.
4663         (get_call_expr_operands): Pass callee fndecl to
4664         add_call_read_ops).
4665         (add_call_clobber_ops): Remove use of cache.
4666         Add use of PURE_CONST information.
4667         (add_call_read_ops): Remove use of cache.
4668         Add use of static not_read information.
4670 2006-01-18  Alexandre Oliva  <aoliva@redhat.com>
4672         Introduce TLS descriptors for i386 and x86_64.
4673         * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
4674         (TARGET_ANY_GNU_TLS): New macro.
4675         (enum tls_dialect): Added TLS_DIALECT_GNU2.
4676         (struct machine_function): Add tls_descriptor_call_expanded_p.
4677         (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
4678         (ix86_current_function_calls_tls_descriptor): Likewise.
4679         * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
4680         (override_options): Introduce gnu2 tls dialect.
4681         (ix86_frame_pointer_required): Functions containing TLSCALLs are
4682         not leaves.
4683         (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
4684         Likewise.
4685         (legitimize_tls_address): Adjust logic for GNU2 TLS.
4686         (ix86_init_machine_status): Initialize new field.
4687         (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
4688         (ix86_tls_module_base): New.
4689         * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
4690         * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
4691         (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
4692         (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
4693         (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
4694         (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
4695         (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
4696         (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
4697         * config/i386/predicates.md (tls_modbase_operand): New.
4698         (tp_or_register_operand): New.
4700 2006-01-18  Daniel Berlin  <dberlin@dberlin.org>
4702         * ipa-reference.c (check_operand):  Allow FUNCTION_DECL.
4703         (look_for_address_of): Ditto.
4704         (ipa_init): Walk the function decls.
4705         (static_execute): Don't set readonly on FUNCTION_DECL's.
4707 2006-01-18  Roger Sayle  <roger@eyesopen.com>
4709         * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
4710         for shifts where the source and destination registers are different.
4712 2006-01-18  Paul Brook  <paul@codesourcery.com>
4714         Merge from csl-arm-branch.
4715         2005-03-14  Julian Brown  <julian@codesourcery.com>
4716         * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
4717         (aeabi_llsl): Likewise.
4718         (ashrdi3): Likewise.
4719         (aeabi_lasr): Likewise.
4720         (lshrdi3): Likewise.
4721         (aeabi_llsr): Likewise.
4722         2005-03-10  Julian Brown  <julian@codesourcery.com>
4723         * config.gcc: Disable shared libgcc for SymbianOS.
4724         * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
4726 2006-01-18  DJ Delorie  <dj@redhat.com>
4728         * c-pragma.c (handle_pragma_diagnostic): New.
4729         (init_pragma): Register it.
4730         * doc/extend.texi: Document it.
4732         * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
4733         * diagnostic.h (diagnostic_classify_diagnostic): Declare.
4734         (diagnostic_context): Add classify_diagnostic[].
4735         * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
4736         as errors if they're overridden to DK_WARNING.
4737         (diagnostic_initialize): Initialize classify_diagnostic[].
4738         (diagnostic_set_kind_override): New.
4739         (diagnostic_report_diagnostic): Check for kind changes.
4740         * opts.c (common_handle_option): Take lang_mask.  Update callers.
4741         Handle OPT_Werror_.
4742         * common.opt (Werror=): New.
4743         * doc/invoke.texi: Document -Werror=*
4745 2006-01-18  Jeff Law  <law@redhat.com>
4747         * tree-vrp.c (test_for_singularity): Correct test for new
4748         min limit.  Use operand_equal_p rather than pointer equality
4749         for testing if new min/max values are equal.
4751         * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
4752         using range information until after propagation and folding.
4754 2006-01-18  Richard Henderson  <rth@redhat.com>
4755             Aldy Hernandez  <aldyh@redhat.com>
4756             Jakub Jelinek  <jakub@redhat.com>
4757             Diego Novillo  <dnovillo@redhat.com>
4759         * omp-low.c: New file.
4760         * c-omp.c: New file.
4762 2006-01-18  Richard Henderson  <rth@redhat.com>
4763             Jakub Jelinek  <jakub@redhat.com>
4764             Diego Novillo  <dnovillo@redhat.com>
4766         * doc/invoke.texi: Document -fopenmp.
4767         * tree-dump.h (debug_function): Declare.
4768         * hooks.c (hook_bool_tree_bool_false): New function.
4769         (hook_tree_tree_null): Remove.
4770         (hook_tree_tree_tree_null): New.
4771         * hooks.h: Update to match.
4772         * tree-pretty-print.c (debug_tree_chain): New.
4773         (print_generic_expr): Handle TDF_CHAIN.
4774         (dump_generic_node): Handle BLOCK.
4775         Do not abort with incomplete SWITCH_EXPRs.
4776         Do not dump body of an OpenMP directive if TDF_SLIM is given.
4777         <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
4778         print space after directive name.
4779         <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
4780         Handle OMP_MASTER and OMP_ORDERED.
4781         Handle printing of OMP_BODY just in one place, goto
4782         dump_omp_body in the rest of OMP_* nodes that have
4783         OMP_BODY.
4784         Don't handle clause nodes here.  Update omp statements to
4785         use dump_omp_clauses.
4786         Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
4787         OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
4788         OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
4789         GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
4790         GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
4791         GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
4792         Adjust output for GOMP_PARALLEL.
4793         (dump_omp_clauses): New.
4794         (print_declaration): Dump DECL_VALUE_EXPR.
4795         (op_symbol_1): Split out of op_symbol.
4796         (dumping_stmts): Remove.  Update all users.
4797         * cgraph.c (cgraph_analyze_queue): New.
4798         (cgraph_add_new_function): New.
4799         * cgraph.h (cgraph_analyze_queue): Declare.
4800         (cgraph_add_new_function): Declare.
4801         (cgraph_lower_function): Remove.
4802         * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
4803         nodes.  Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
4804         and TYPE_P nodes in its default clause.
4805         (empty_body_p): New.
4806         (tree_range_check_failed): New.
4807         (build5_stat): New.
4808         * tree.h (OMP_CLAUSE_REDUCTION_INIT,
4809         OMP_CLAUSE_REDUCTION_MERGE,
4810         OMP_CLAUSE_REDUCTION_PLACEHOLDER,
4811         OMP_CLAUSE_PRIVATE_DEBUG,
4812         OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
4813         OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
4814         OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
4815         OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
4816         OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
4817         OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
4818         OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
4819         OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
4820         OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
4821         OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
4822         OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
4823         OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
4824         OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
4825         OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
4826         (TREE_RANGE_CHECK): New.
4827         (empty_body_p): Declare.
4828         (enum omp_clause_default_kind): New.
4829         (build_string_literal): Declare.
4830         (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
4831         (build5_stat, build5): Declare.
4832         * tree-pass.h (TDF_CHAIN): Define.
4833         * tree-pass.h (PROP_gimple_lomp): Define.
4834         (pass_lower_omp): Declare.
4835         * diagnostic.h (debug_tree_chain): Declare.
4836         * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
4837         mode_for_size.
4838         (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
4839         * builtins.c (build_string_literal): Make extern.
4840         * gcc.c (include_spec_function): New.
4841         (static_spec_functions): Add it.
4842         (main): Move load of libgomp.spec ...
4843         (LINK_COMMAND_SPEC): ... here.
4844         (link_gomp_spec): New.
4845         (static_specs): Include it.
4846         (LINK_COMMAND_SPEC): Add link_gomp.
4847         (GOMP_SELF_SPECS): New.
4848         (driver_self_specs): Include it.
4849         (switch_matches): Don't mark inline.
4850         (main): Load libgomp.spec.
4851         * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
4852         OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
4853         and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
4854         * tree-gimple.h (enum omp_parallel): Declare.
4855         (determine_parallel_type): Declare.
4856         (omp_firstprivatize_variable): Declare.
4857         (omp_reduction_init): Declare.
4858         (diagnose_omp_structured_block_errors): Declare.
4859         (struct walk_stmt_info): Add want_return_expr.
4860         (struct walk_stmt_info): Add want_bind_expr, want_locations.
4861         (find_omp_clause): Declare.
4862         (insert_field_into_struct): Declare.
4863         (struct walk_stmt_info): Move from tree-nested.c
4864         (walk_stmts): Declare.
4865         * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
4866         to 200505.
4867         * cgraphunit.c (cgraph_lower_function): Make static.
4868         (cgraph_finalize_pending_functions): New.
4869         (cgraph_finalize_function): Call it.
4870         (cgraph_finalize_compilation_unit): Likewise.
4871         * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
4872         BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
4873         (BT_FN_UINT_UINT): New.
4874         (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
4875         DEF_FUNCTION_TYPE_VAR_4): Document.
4876         (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
4877         BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
4878         BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
4879         BT_FN_VOID_OMPFN_PTR_UINT_UINT,
4880         BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
4881         BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
4882         BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
4883         BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
4884         * builtins.def: Update DEF_BUILTIN comment to include COND argument.
4885         Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
4886         into separate files.
4887         (DEF_GOMP_BUILTIN): New.
4888         (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
4889         BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
4890         BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
4891         BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
4892         BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
4893         BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
4894         BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
4895         BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
4896         BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
4897         BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
4898         BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
4899         BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
4900         BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
4901         BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
4902         BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
4903         BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
4904         BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
4905         BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
4906         BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
4907         BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
4908         BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
4909         BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
4910         BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
4911         BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
4912         BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
4913         BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
4914         * sync-builtins.def: New file, moved from builtins.def.
4915         * omp-builtins.def: New file, moved from builtins.def.
4916         * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
4917         * gimple-low.c (lower_function_body): Clear data.
4918         (lower_stmt): Do not handle COMPOUND_EXPR.
4919         Remove call to print_node_brief.
4920         * c-tree.h (c_finish_omp_clauses): New prototype.
4921         (C_DECL_THREADPRIVATE_P): Define.
4922         (lookup_name_no_remap, c_omp_remap_private): Remove
4923         (c_begin_omp_parallel, c_finish_omp_parallel): Update.
4924         (check_for_loop_decls): Update decl.
4925         (lookup_name_no_remap, c_omp_remap_private): Declare.
4926         (build_indirect_ref, build_modify_expr, pushdecl,
4927         pushdecl_top_level): Move to c-common.h.
4928         * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
4929         before the switch, but just in the 2 places that need it.
4930         * c-decl.c (diagnose_mismatched_decls): Do not check for
4931         mismatched thread-local attributes when OLDDECL is marked
4932         threadprivate and NEWDECL has no thread-local attributes.
4933         (merge_decls): Merge C_DECL_THREADPRIVATE_P.
4934         (c_gimple_diagnostics_recursively): Rename from
4935         c_warn_unused_result_recursively.  Invoke
4936         diagnose_omp_structured_block_errors.
4937         (check_for_loop_decls): Return a singular decl found.
4938         * langhooks.c (lhd_omp_predetermined_sharing): Return
4939         OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
4940         (lhd_omp_firstprivatize_type_sizes): New.
4941         (lhd_omp_assignment): New.
4942         (lhd_omp_predetermined_sharing): New.
4943         * langhooks.h (struct gimplify_omp_ctx): Forward declare.
4944         (struct lang_hooks_for_types): Add
4945         omp_firstprivatize_type_sizes, omp_privatize_by_reference,
4946         omp_predetermined_sharing, omp_disregard_value_expr,
4947         omp_private_debug_clause, omp_clause_default_ctor,
4948         omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
4949         (c_finish_omp_clauses): New.
4950         (c_finish_bc_stmt): Diagnose break within omp for.
4951         (c_begin_omp_parallel, c_finish_omp_parallel): New.
4952         (build_unary_op): Return error_mark after reporting
4953         a readonly_error.
4954         (build_modify_expr): Likewise.
4955         * gimplify.c: Include optabs.h and pointer-set.h.
4956         (enum gimplify_omp_var_data): Declare.
4957         (struct gimplify_omp_ctx): Declare.
4958         (struct gimplify_ctx): Add fields prev_context, combined_pre_p
4959         and combined_ctxp.
4960         (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
4961         (push_gimplify_context, pop_gimplify_context): Allow nesting.
4962         (splay_tree_compare_decl_uid): New.
4963         (new_omp_context): New.
4964         (delete_omp_context): New.
4965         (gimple_add_tmp_var): Call omp_add_variable.
4966         (gimplify_bind_expr): Likewise.
4967         (gimplify_var_or_parm_decl): If omp_notice_variable returned
4968         true, disregard DECL_VALUE_EXPR on the decl if any.
4969         (gimplify_expr_in_ctx): New.
4970         (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
4971         omp_add_variable, omp_notice_variable, omp_is_private
4972         gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
4973         gimplify_adjust_omp_clauses, gimplify_omp_parallel
4974         gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
4975         gimplify_omp_atomic_fetch_op, goa_stabilize_expr
4976         gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
4977         gimplify_omp_atomic): New.
4978         (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
4979         OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
4980         OMP_CRITICAL and OMP_ATOMIC.
4981         (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
4982         * c-pragma.h (enum pragma_kind): Add
4983         PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
4984         PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
4985         PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
4986         PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
4987         PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
4988         PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
4989         PRAGMA_OMP_THREADPRIVATE.
4990         * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
4991         OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
4992         OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
4993         OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
4994         OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
4995         OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
4996         OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
4997         OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
4998         OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
4999         * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
5000         * tree-ssa-dce.c (find_control_dependence): Do not assume that
5001         ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
5002         * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
5003         OpenMP directives.
5004         (struct nesting_info): Add field_map,
5005         suppress_expansion, debug_var_chain.
5006         (create_nesting_tree): Initialize them.
5007         (lookup_field_for_decl): Use field_map.
5008         (get_nonlocal_debug_decl, get_local_debug_decl): New.
5009         (convert_local_omp_clauses): New.
5010         (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
5011         (walk_body): Split out of walk_function.
5012         (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
5013         (convert_nonlocal_reference): Handle omp statements.
5014         (convert_local_reference): Likewise.
5015         (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
5016         (unnest_nesting_tree): New.
5017         (lower_nested_functions): Call it.
5018         (insert_field_into_struct): Make extern.
5019         (struct walk_stmt_info): Move to tree-gimple.h.
5020         (walk_stmts): Make extern.
5021         * omp-builtins.def: New file.
5022         * tree-iterator.c (expr_only): Clarify comment.
5023         * c-common.h (pushdecl_top_level, pushdecl,
5024         build_modify_expr, build_indirect_ref,
5025         c_finish_omp_master, c_finish_omp_critical,
5026         c_finish_omp_ordered, c_finish_omp_barrier,
5027         c_finish_omp_atomic, c_finish_omp_flush,
5028         c_finish_omp_for, c_split_parallel_clauses,
5029         omp_clause_default_kind, c_omp_sharing_predetermined,
5030         c_omp_remap_decl): Declare.
5031         * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
5032         (OBJS-common): Add omp-low.o.
5033         (c-omp.o, omp-low.o): Add.
5034         (gimplify.o): Add dependency on $(OPTABS_H).
5035         (GTFILES): Add omp-low.c.
5036         (gt-stringpool.h): Add.
5037         * tree-cfg.c (set_bb_for_stmt): Do not update the
5038         block-to-labels map if we are currently expanding to RTL.
5039         (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
5040         checks.
5041         Handle IDENTIFIER_NODE.
5042         (tree_verify_flow_info): Do not ICE when emitting error
5043         messages about invalid labels.
5044         (dump_function_to_file): Reset CFUN before emitting the body
5045         of the function.
5046         (debug_function): New.
5047         * passes.c (init_optimization_passes): Schedule
5048         pass_lower_omp.
5049         * langhooks-def.h (lhd_omp_predetermined_sharing,
5050         lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
5051         Declare.
5052         (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
5053         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
5054         (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
5055         LANG_HOOKS_OMP_PREDETERMINED_SHARING,
5056         LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
5057         LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
5058         LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
5059         LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
5060         LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
5061         LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
5062         (LANG_HOOK_DECLS): Use them.
5064 2006-01-18  Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
5065             Richard Henderson  <rth@redhat.com>
5066             Jakub Jelinek  <jakub@redhat.com>
5067             Diego Novillo  <dnovillo@redhat.com>
5069         * c-parser.c (pragma_omp_clause): Define.
5070         (c_parser_declaration_or_fndef): Document OpenMP syntax.
5071         (c_parser_compound_statement): Likewise.
5072         (c_parser_statement): Likewise.
5073         (c_parser_pragma): Handle omp pragmas.
5074         (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
5075         OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
5076         (c_parser_omp_clause_name, check_no_duplicate_clause,
5077         c_parser_omp_variable_list,
5078         c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
5079         c_parser_omp_clause_copyprivate,
5080         c_parser_omp_clause_default,
5081         c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
5082         c_parser_omp_clause_lastprivate,
5083         c_parser_omp_clause_nowait,
5084         c_parser_omp_clause_num_threads,
5085         c_parser_omp_clause_ordered, c_parser_omp_clause_private,
5086         c_parser_omp_clause_reduction,
5087         c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
5088         c_parser_omp_all_clauses, c_parser_omp_structured_block,
5089         c_parser_omp_atomic, c_parser_omp_barrier,
5090         c_parser_omp_critical, c_parser_omp_flush,
5091         c_parser_omp_for_loop, c_parser_omp_for,
5092         c_parser_omp_master, c_parser_omp_ordered,
5093         c_parser_omp_sections_scope, c_parser_omp_sections,
5094         c_parser_omp_parallel, c_parser_omp_single,
5095         c_parser_omp_construct, c_parser_omp_threadprivate): New.
5096         * c-pragma.c (init_pragma): Do omp pragma registration here.
5097         * c.opt (fopenmp): New flag.
5099 2006-01-18  Eric Christopher  <echristo@apple.com>
5101         * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
5102         * config/darwin.h (GOMP_SELF_SPECS): Define.
5104 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
5106         * rtl.h: Remove the prototype for reg_alloc.
5108 2006-01-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5110         PR target/25731
5111         * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
5112         hppa[12]*-*-hpux11*): Override default shared libgcc version for both
5113         sjlj and dwarf2 exception handling.
5114         * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
5115         Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
5116         * pa/pa.c (function_value): Treat complex and vector types as
5117         aggregates.
5118         (function_arg): Likewise.  Only pass scalar floats in the floating
5119         point argument registers.
5120         * pa/t-slibgcc-dwarf-ver: New file.
5121         * pa/t-slibgcc-sjlj-ver: New file.
5122         * pa/t-slibgcc-elf-ver: Delete file.
5124 2006-01-19  Alan Modra  <amodra@bigpond.net.au>
5126         * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
5127         unlikely_test_section_p test.
5129 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
5131         * mode-switching.c (optimize_mode_switching): Make it static.
5132         * basic-block.h: Remove the prototype for
5133         optimize_mode_switching.
5135         * modulo-sched.c (sms_schedule): Make it static.
5136         * rtl.h: Remove the prototype for sms_schedule.
5138         * postreload-gcse.c (gcse_after_reload_main): Make it static.
5139         * rtl.h: Remove the prototype for gcse_after_reload_main.
5141         * reg-stack.c (reg_to_stack): Make it static.
5142         * rtl.h: Remove the prototype for reg_to_stack.
5144         * regrename.c (regrename_optimize, copyprop_hardreg_forward):
5145         Make them static.
5146         * rtl.h: Remove the prototypes for regrename_optimize and
5147         copyprop_hardreg_forward.
5149 2006-01-18  Eric Botcazou  <ebotcazou@adacore.com>
5151         * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
5152         alpha_split_tmode_pair.  Add 'mode' and 'fixup_overlap' arguments.
5153         Test against the appropriate null constant for the mode.
5154         If 'fixup_overlap' is true, swap the operands if they overlap.
5155         (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
5156         * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
5157         alpha_split_tmode_pair and adjust for above change.
5158         * config/alpha/alpha.md (movtf_internal): Adjust call to
5159         alpha_split_tfmode_pair and rely on it to swap the operands.
5160         (movti_internal): New insn and post-reload splitter.
5161         (movti): New expander.
5163 2006-01-18  Philippe De Muyter  <phdm@macqel.be>
5165         * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
5166         operands.
5168 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
5170         * rtlanal.c (global_reg_mentioned_p_1,
5171         global_reg_mentioned_p): Remove.
5172         * rtl.h: Remove the prototype for global_reg_mentioned_p.
5174         * flow.c (initialize_uninitialized_subregs): Make it static.
5175         * rtl.h: Remove the prototype for
5176         initialize_uninitialized_subregs.
5178         * function.c (instantiate_virtual_regs): Make it static.
5179         * function.h: Remove the prototype for
5180         instantiate_virtual_regs.
5182         * regmove.c (regmove_optimize, combine_stack_adjustments):
5183         Make them static.
5184         * rtl.h: Remove the prototypes for regmove_optimize and
5185         combine_stack_adjustments.
5187 2006-01-17  Roger Sayle  <roger@eyesopen.com>
5189         * config/i386/i386.c (COSTS_N_BYTES): New macro.
5190         (size_cost): Encode costs in bytes so that a reg-reg addition is
5191         equivalent to COSTS_N_INSNS(1).
5192         (override_options): Use the size_cost.branch_cost as the default
5193         ix86_branch_cost when optimizing for size.
5195 2006-01-18  Ben Elliston  <bje@au.ibm.com>
5197         * Makefile.in (D32PBIT_FUNCS): New.
5198         (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
5199         (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
5200         D64PBIT_FUNCS and D128PBIT_FUNCS.
5201         (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
5202         * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
5203         D128PBIT are set.
5204         (decnumber_dep): Define.
5205         * doc/libgcc.texi (Decimal float library routines): New node.
5206         * config/dfp-bit.h, config/dfp-bit.c: New files.
5208 2006-01-18  Ben Elliston  <bje@au.ibm.com>
5210         * expr.c (emit_move_change_mode): Always adjust addresses, not
5211         just during reload.  Copy replacements only during reload.
5212         (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
5213         emit_move_via_integer.
5215 2006-01-17  Shantonu Sen  <ssen@opendarwin.org>
5217         * Makefile.in (check-%, check-consistency): Use $${srcdir}
5218         instead of $(srcdir) and ${srcdir}.
5220 2006-01-17  Richard Earnshaw  <rearnsha@arm.com>
5222         PR target/592
5223         PR middle-end/11135
5224         * arm.h (struct machine_function): Add pic_reg.
5225         * arm.c (arm_pic_register): Make unsigned.
5226         (arm_override_options): Only set arm_pic_register if
5227         TARGET_SINGLE_PIC_BASE.
5228         (use_return_insn): Only test for a pic register if it is fixed.
5229         (arm_compute_save_reg0_reg12_mask): Likewise.
5230         (thumb_compute_save_reg_mask): Likewise.
5231         (legitimate_pic_operand): Factor out some known invariants.
5232         (legitimize_pic_address): If we don't have a fixed pic register,
5233         then set up a pseudo in the function entry sequence.  Handle the
5234         pic base being in a pseudo.
5235         (arm_load_pic_register): Handle the pic register being in a pseudo.
5236         (arm_expand_prologue): Only set up the pic register if it is fixed.
5237         (thumb_expand_prologue): Likewise.
5238         * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
5239         (pic_load_addr_based_insn): Likewise.
5240         (builtin_setjmp_receiver): Don't restore the pic base if it isn't
5241         fixed.
5243 2006-01-18  Ben Elliston  <bje@au.ibm.com>
5245         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
5246         decimal float modes for all floating point registers.
5248         * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
5249         match_code "mem" with match_test "macho_lo_sum_memory_operand".
5251 2006-01-17  Jakub Jelinek  <jakub@redhat.com>
5253         PR c/25682
5254         * c-typeck.c (build_unary_op): Fold offsetof-like expressions
5255         even when the pointer is not NULL.
5257 2006-01-16  Ian Lance Taylor  <ian@airs.com>
5259         * common.opt (ftoplevel-reorder): New option.
5260         * cgraph.c (cgraph_asm_nodes): New global variable.
5261         (cgraph_asm_last_node): New static variable.
5262         (cgraph_order): New global variable.
5263         (cgraph_create_node): Set new order field.
5264         (cgraph_varpool_node): Likewise.
5265         (decide_is_variable_needed): Return true if not
5266         flag_toplevel_reorder.
5267         (cgraph_add_asm_node): New function.
5268         * cgraph.h (struct cgraph_node): Add order field.
5269         (struct cgraph_varpool_node): Add order field.
5270         (struct cgraph_asm_node): Define.
5271         (cgraph_asm_nodes, cgraph_order): Declare.
5272         (cgraph_add_asm_node): Declare.
5273         * cgraphunit.c (cgraph_varpool_assemble_decl): New static
5274         function.
5275         (cgraph_varpool_assemble_pending_decls): Call it.
5276         (cgraph_output_pending_asms): New static function.
5277         (cgraph_finalize_compilation_unit): Call it.
5278         (struct cgraph_order_sort): Define.
5279         (cgraph_output_in_order): New static function.
5280         (cgraph_optimize): Call cgraph_output_pending_asms.  Add code for
5281         !flag_toplevel_reorder case.
5282         * c-parser.c: Include "cgraph.h".
5283         (c_parser_asm_definition): Call cgraph_add_asm_node rather than
5284         assemble_asm.
5285         * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
5286         than -fno-unit-at-a-time.
5287         * doc/invoke.texi (Option Summary): Mention
5288         -fno-toplevel-reorder.
5289         (Optimize Options): Document -fno-toplevel-reorder.  Mention it in
5290         -funit-at-a-time documentation.
5292 2006-01-17  Hans-Peter Nilsson  <hp@axis.com>
5293             Kazu Hirata  <kazu@codesourcery.com>
5295         * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
5297 2006-01-17  Kazu Hirata  <kazu@codesourcery.com>
5299         * Makefile.in (FUNCTION_H): New.  Use it instead of
5300         function.h throughout the file.
5301         * function.h: Include tree.h.
5303 2006-01-17  Ben Elliston  <bje@au.ibm.com>
5305         * recog.c: Separate some functions with whitespace.
5307 2006-01-16  Richard Henderson  <rth@redhat.com>
5309         Merge from gomp branch:
5310         * Makefile.in (TREE_INLINE_H): New.  Use it as needed.
5311         * tree-inline.h (struct copy_body_data): Move from tree-inline.c
5312         and rename from struct inline_data.  Rename callee* to dst*;
5313         caller* to src*; add copy_decl hook, transform_call_graph_edges,
5314         transform_new_cfg, transform_return_to_modify, and
5315         transform_lang_insert_block flags; remove cloning_p, versioning_p,
5316         update_clones_p.
5317         (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
5318         (copy_decl_for_dup): Remove.
5319         * tree-inline.c (struct inline_data): Move to header.
5320         (insert_decl_map): Export.
5321         (remap_decl): Update for member name changes.  Use copy_decl hook.
5322         Allow for replacement to be a non-decl.  Remove dead code.
5323         (remap_type_1): Check for existing mapping.
5324         (remap_type): Export.
5325         (remap_decls): Update for member name changes.
5326         (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
5327         (copy_body, setup_one_parameter, declare_return_variable): Likewise.
5328         (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
5329         (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
5330         (tree_function_versioning, build_duplicate_type): Likewise.
5331         (copy_body_r): Likewise.  Export.
5332         (copy_decl_for_dup): Split into ...
5333         (copy_decl_for_dup_finish, copy_decl_to_var,
5334         copy_decl_no_change, copy_decl_maybe_to_var): ... these.
5335         (replace_ref_tree, inlining_p): Remove.
5337 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
5339         * ifcvt.c (if_convert): Make it static.
5340         * rtl.h: Remove the prototype for if_convert.
5342         * local-alloc.c (local_alloc): Make it static.
5343         * rtl.h: Remove the prototype for local_alloc.
5345         * loop.c (loop_optimize): Make it static.
5346         * cfgloop.h: Remove the prototype for loop_optimize.
5347         * rtl.h: Likewise.
5349 2006-01-16  DJ Delorie  <dj@redhat.com>
5351         * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
5352         mems.
5354 2006-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5356         * pa.md: Disparage copies between general and floating-point registers
5357         in 32-bit move patterns.
5359 2006-01-16  H.J. Lu  <hongjiu.lu@intel.com>
5361         PR testsuite/25741
5362         * Makefile.in (check-%): Depend on site.exp instead of
5363         $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
5364         directories.
5366 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
5368         * global.c (global_alloc): Make it static.
5369         * rtl.h: Remove the prototype for global_alloc.
5371 2006-01-16  Richard Guenther  <rguenther@suse.de>
5373         * tree-ssa-alias.c (struct used_part): Add write_only field.
5374         (get_or_create_used_part_for): Initialize it to true.
5375         (create_overlap_variables_for): Don't create structure variables
5376         for structures that only are written to.
5377         (find_used_portions): Handle MODIFY_EXPR to track whether a
5378         structure is only written to.
5380 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
5382         * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
5383         static.
5384         * basic-block.h: Remove the prototype for
5385         partition_hot_cold_basic_blocks.
5387 2006-01-16  Rafael Ãvila de EspÃ�­ndola <rafael.espindola@gmail.com>
5389         * cppspec.c (lang_specific_spec_functions): Remove.
5390         * gcc.c (lookup_spec_function): Use static_spec_functions directly.
5391         * gcc.h (lang_specific_spec_functions): Remove.
5392         * gccspec.c (lang_specific_spec_functions): Remove.
5394 2006-01-16  Paolo Bonzini  <bonzini@gnu.org>
5396         * combine.c (record_value_for_reg): Invalidate registers
5397         if INSN is null.
5398         (record_dead_and_set_regs_1): Likewise, by passing them to
5399         record_value_for_reg.
5400         (record_dead_and_set_regs): Invalidate stores made by a
5401         call.  We do not combine across a call, but we still
5402         relied on equivalences.
5404 2006-01-16  Eric Botcazou  <ebotcazou@adacore.com>
5406         * tree-vrp.c (extract_range_from_binary_expr): Cope with
5407         vrp_int_const_binop returning non-constant nodes.
5409 2006-01-16  Paul Brook  <paul@codesourcery.com>
5411         * config/m68k/m68k.c (output_move_const_into_data_reg):
5412         Output correct mnemonic for mvz and mvs.
5414 2006-01-16  Gabor Loki  <loki@gcc.gnu.org>
5416         * rtl-factoring.c: Add sequence abstraction algorithm.
5417         * cfgcleanup.c (outgoing_edges_match): Extra checks.
5418         (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
5419         ABNORMAL edges.
5420         (block_has_preserve_label): New function.
5421         * common.opt: Register new pass.
5422         * Makefile.in: Ditto.
5423         * passes.c: Ditto.
5424         * timevar.def: Ditto.
5425         * tree-pass.h: Ditto.
5426         * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
5427         * rtl.h (make_jump_insn_raw): Add forward decl.
5428         * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
5430 2006-01-16  Eric Botcazou  <ebotcazou@adacore.com>
5431             Roger Sayle  <roger@eyesopen.com>
5433         * fold-const.c (fold_minmax): New static function.
5434         (fold_binary) <MIN_EXPR>: Call it.
5435         <MAX_EXPR>: Likewise.
5436         * stor-layout.c (place_field): Use DECL_SIZE consistently
5437         in the computation of the new record size.
5439 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
5441         * cse.c (cse_condition_code_reg): Make it static.
5442         * rtl.h: Remove the prototype for cse_condition_code_reg.
5444         * combine.c (combine_instructions): Make it static.
5445         * rtl.h: Remove the prototype for combine_instructions.
5447 2006-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5449         PR target/25168
5450         * tree.c (get_file_function_name_long): Concatenate the first global
5451         object name with a string derived from the input filename of the object
5452         for type "F".
5454 2006-01-16  Ben Elliston  <bje@au.ibm.com>
5456         * config/i386/winnt-stubs.c: Update FSF address.
5457         * config/xtensa/ieee754-df.S: Ditto.
5458         * config/xtensa/ieee754-sf.S: Ditto.
5460 2006-01-14  Ian Lance Taylor  <ian@airs.com>
5462         * ifcvt.c (noce_init_if_info): New static function, broken out of
5463         noce_process_if_block.
5464         (noce_process_if_block): Call noce_init_if_info.
5465         (check_cond_move_block): New static function.
5466         (cond_move_process_if_block): New static function.
5467         (process_if_block): Call cond_move_process_if_block.
5469 2006-01-15  Kazu Hirata  <kazu@codesourcery.com>
5471         * cselib.c (hash_table): Rename to cselib_hash_table.
5472         (cselib_clear_table, discard_useless_values,
5473         remove_useless_values, cselib_lookup_mem, cselib_lookup,
5474         cselib_init, cselib_finish): Adjust uses of hash_table.
5476 2006-01-14  Kazu Hirata  <kazu@codesourcery.com>
5478         PR tree-optimization/25485
5479         * tree-vrp.c (extract_range_from_binary_expr): Handle cases
5480         where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
5481         is known to be false and true, respectively.
5483 2006-01-14  Richard Guenther  <rguenther@suse.de>
5485         PR tree-optimization/22548
5486         PR tree-optimization/22555
5487         PR tree-optimization/22501
5488         * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
5489         * params.def (salias-max-array-elements): New parameter.
5490         * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
5491         * doc/invoke.texi (salias-max-array-elements): Document.
5492         * tree-flow-inline.h (var_can_have_subvars): We also handle
5493         arrays now.
5494         * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
5495         COMPONENT_REF.
5496         * tree-ssa-structalias.c (params.h): Include.
5497         (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
5498         (find_func_aliases): Handle multiple constraints from ARRAY_REF.
5499         (get_constraint_for): For ADDR_EXPR operating on something
5500         containing an ARRAY_REF, add all subvars to the solution.
5501         (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
5502         * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
5503         for creating MUST_DEFs.
5504         (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
5506 2006-01-14  Zdenek Dvorak <dvorakz@suse.cz>
5508         * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
5509         functions.
5510         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
5511         assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
5512         number_of_iterations_le): New functions.
5513         (number_of_iterations_special): Removed.
5514         (number_of_iterations_exit): Do not use number_of_iterations_special.
5515         * tree.c (unsigned_type_for): Always return integer type.
5517 2006-01-14  Steven Bosscher  <stevenb.gcc@gmail.com>
5518         Richard Guenther  <rguenther@suse.de>
5520         PR rtl-optimization/24257
5521         * gcse.c (find_moveable_store): Only consider a store movable
5522         when the SET_SRC of the insn can be assigned to a register.
5524 2006-01-14  Ian Lance Taylor  <ian@airs.com>
5526         * tree.c (tree_not_class_check_failed): New function.
5527         * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
5528         (tree_not_class_check_failed): Declare.
5530 2006-01-13  Ian Lance Taylor  <ian@airs.com>
5532         * reload1.c (do_output_reload): Add assertion rejecting a
5533         CALL_INSN.
5535 2006-01-13  Adam Nemet  <anemet@caviumnetworks.com>
5537         * combine.c (struct reg_stat): Add new fields truncation_label and
5538         truncated_to_mode.
5539         (record_value_for_reg): Reset truncated_to_mode.
5540         (record_truncated_value): New function.
5541         (check_promoted_subreg): Call it.  Rename to check_conversions.
5542         (combine_instructions): Rename check_promoted_subreg to
5543         check_conversions.
5544         (reg_truncated_to_mode): New function.
5545         (make_extraction): Use it.  Check TRULY_NOOP_TRUNCATION.
5546         (gen_lowpart_or_truncate): New function.
5547         (force_to_mode): Use it instead of gen_lowpart.
5549 2006-01-13  Diego Novillo  <dnovillo@redhat.com>
5551         * tree-ssa-alias.c (add_type_alias): Fix typo.  Test whether
5552         VAR is a tag, not its type tag.
5554 2006-01-13  Alexandre Oliva  <aoliva@redhat.com>
5556         * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
5557         alternatives to match style of other entries.
5558         (*vec_extractv2di_1_sse): Likewise.  Fix mode attr.
5560 2006-01-13  Daniel Berlin  <dberlin@dberlin.org>
5562         PR tree-optimization/25771
5563         * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
5564         SSA_NAMES.
5566 2006-01-13  Andrew Pinski  <pinskia@physics.uc.edu>
5568         PR tree-opt/24365
5569         * tree-inline.c (declare_return_variable): If the return variable
5570         was marked as a non gimple complex, set the return slot variable
5571         to be a non gimple comple variable.
5573 2006-01-13  Richard Guenther  <rguenther@suse.de>
5575         * builtins.c (expand_builtin_sincos): New function.
5576         (expand_builtin_mathfn_3): Remove dead code, sin and cos
5577         do not set errno.
5578         (expand_builtin): Expand sincos using expand_builtin_sincos.
5580 2006-01-12  DJ Delorie  <dj@redhat.com>
5582         * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
5583         shift counts, separate SI shifts for m32c vs m16c, pass shift type
5584         so that constant shifts can be split.
5585         * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
5586         (m32c_valid_pointer_mode): Make static.
5587         (shift_gen_func_for): New.
5588         (m32c_prepare_shift): Use it.  Split large const shifts into
5589         multiple shifts.
5590         * config/m32c/predicates.md (shiftcount_operand): Allow more
5591         general operands.
5592         (longshiftcount_operand): New.
5593         * doc/md.texi (Machine Constraints): Document In6.
5595 2006-01-13  Ben Elliston  <bje@au.ibm.com>
5597         * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
5598         REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
5599         documentation.
5601 2006-01-12  Daniel Berlin  <dberlin@dberlin.org>
5603         * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
5604         to try to avoid clobbering pieces of structures when we know
5605         something about the whole structure.
5606         * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
5608 2006-01-13  Ben Elliston  <bje@au.ibm.com>
5610         * doc/rtl.texi (Insns): Remove statement that libcalls cannot
5611         return in memory, as this is no limitation is no longer present.
5613 2006-01-12  DJ Delorie  <dj@redhat.com>
5615         * config/m32c/addsub.md (addhi3): Add two more alternatives, for
5616         mova with fb, and for fb+0 -> An.
5618         * config/m32c/mov.md (peephole2): Fix enabling logic.
5620         * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
5621         DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
5622         DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
5623         FINI_ARRAY_SECTION_ASM_OP): Define.
5625         * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
5626         variable.
5627         (m32c_legitimize_reload_address): New logic to reload FB to An.
5628         (m32c_output_reg_push): Add newline.
5629         (m32c_output_reg_pop): Likewise.
5631 2006-01-12  Ulrich Weigand  <uweigand@de.ibm.com>
5633         * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
5635 2006-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
5637         * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
5639 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
5641         * config/sh/predicates.md (sh_rep_vec): Add parallel to
5642         match_code.
5644 2006-01-11  Ben Elliston  <bje@au.ibm.com>
5646         * rtlanal.c (find_reg_note): Assert insn is not null.
5648 2006-01-11  Kenneth Zadeck <zadeck@naturalbridge.com>
5650         * df-scan.c (df_hard_reg_init): Move declaration of i outside
5651         ifdef.
5653 2006-01-11  Jeff Law  <law@redhat.com>
5655         * tree-ssa-threadupdate.c (threaded_edges): New VEC to
5656         hold edge pairs.
5657         (mark_threaded_blocks, register_jump_thread): New functions.
5658         (thread_through_all_blocks): Remove unwanted argument.  No
5659         longer rely on e->aux to communicate thread target info.
5660         Call mark_threaded_blocks.  Release the threaded_blocks
5661         bitmap and threaded_edges vector when complete.
5662         * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
5663         (threaded_blocks): Remove.
5664         (tree_ssa_dominator_optimize): Remove initialization and
5665         finalization of threaded_blocks.  Simplify call to
5666         thread_through_all_blocks.
5667         (thread_across_edge): Call register_jump_thread rather than
5668         storing thread information into e->aux.
5669         (free_all_edge_infos): Simplify now that e->aux is no longer
5670         used to communicate with thread_through_all_blocks.
5671         * tree-flow.h (thread_through_all_blocks): Update prototype.
5672         (register_jump_thread): Prototype.
5674 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
5676         * df-core.c (df_compact_blocks, df_bb_replace): Use
5677         SET_BASIC_BLOCK instead of BASIC_BLOCK.
5679 2006-01-11  Richard Guenther  <rguenther@suse.de>
5681         PR tree-optimization/25734
5682         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
5683         stop propagation after successful propagation to the LHS.
5685 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
5687         * basic-block.h (control_flow_graph): Change the type of
5688         x_basic_block_info to VEC(basic_block,gc) *.
5689         (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
5690         basic_block_info.
5691         (SET_BASIC_BLOCK): New.
5692         * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
5693         instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
5694         * cfgbuild.c (find_basic_blocks): Likewise.
5695         * cfglayout.c (fixup_reorder_chain): Likewise.
5696         * cfgrtl.c (create_basic_block_structure,
5697         rtl_create_basic_block): Likewise.
5698         * ifcvt.c (find_if_case_1): Likewise.
5699         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
5700         Likewise.
5702 2006-01-11  Kenneth Zadeck <zadeck@naturalbridge.com>
5704         * Makefile.in: Removed rotted odf.c entry.
5706 2006-01-11  Hans-Peter Nilsson  <hp@axis.com>
5708         PR target/25706
5709         * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
5710         ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
5711         ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
5712         output pattern modifier, not %e.
5713         * config/cris/cris.c (cris_op_str): Update comment about pattern
5714         modifier.
5715         (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
5716         before falling through into...
5717         <case 'E'>: Redefined from old 'e' case.
5719 2006-01-11  Jan Hubicka  <jh@suse.cz>
5721         PR target/25042
5722         * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
5724 2006-01-11  Jan Hubicka  <jh@suse.cz>
5726         * i386.h (TARGET_DECOMPOSE_LEA): Kill.
5727         * i386.c (x86_decompose_lea): Kill.
5728         (ix86_rtx_costs): Kill.
5730 2006-01-11  Jan Hubicka  <jh@suse.cz>
5732         * cgraph.c (cgraph_insert_node_to_hashtable): New function.
5733         * cgraph.h (cgraph_node): Add inline_decl.
5734         (cgraph_insert_node_to_hashtable): Declare.
5735         (save_inline_function_body): Declare.
5736         * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
5737         clones.
5738         (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
5739         (cgraph_function_versioning): Update call of tree_function_versioning.
5740         (save_inline_function_body): New function.
5741         * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
5742         saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
5743         * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
5744         (cgraph_default_inline_p): Likewise.
5745         (cgraph_decide_inlining_incrementally): Likewise.
5746         * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
5747         (copy_bb): Kill saving; do updating of clones.
5748         (copy_cfg_body): Kill saving.
5749         (initialize_inlined-parameters): Likewise.
5750         (expand_call_inline): Likewise.
5751         (save_body): Kill.
5752         (tree_function_versioning): New parameter "update_clones".
5753         (inlining_p): Kill saving.
5754         * tree-inline.h (tree_function_versioning): Update prototype.
5755         * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
5756         saving.
5758 2006-01-11  Ian Lance Taylor <ian@airs.com>
5760         * combine.c (struct undo): Remove is_int.  Enumify types of undos.
5761         Allow undoing set of machine mode.
5762         (do_SUBST): Use enums instead of is_int.
5763         (do_SUBST_MODE): New function.
5764         (SUBST_MODE): New macro.
5765         (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
5766         reg and trying to replace reg_regno_rtx with a new register.
5767         (undo_all): Use new enums, handle undoing a PUT_MODE change.
5768         (simplify_set): Use SUBST_MODE.
5769         (distribute_notes): Remove code that tried to update reg notes
5770         for regno_reg_rtx changes.
5772 2006-01-11  Paolo Bonzini  <bonzini@gnu.org>
5774         PR tree-optimization/23109
5775         PR tree-optimization/23948
5776         PR tree-optimization/24123
5778         * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
5779         * tree-cfg.c (single_noncomplex_succ): New.
5780         * tree-flow.h (single_noncomplex_succ): Declare it.
5781         * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
5782         * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
5783         (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
5784         insert_bb, register_division_in, insert_reciprocals,
5785         replace_reciprocal, free_bb): New.
5786         (execute_cse_reciprocals_1): Rewritten.
5787         (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
5788         Do not commit any edge insertion.  Always compute dominators and
5789         create the allocation pool.
5790         * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
5791         * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
5792         * targhooks.c (default_min_divistions_for_recip_mul): New.
5793         * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
5794         * passes.c (init_optimization_passes): Run recip after tree loop
5795         optimizations.
5796         * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
5798 2006-01-11  Danny Berlin <dberlin@dberlin.org>
5799             Kenneth Zadeck <zadeck@naturalbridge.com>
5801         * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
5802         DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
5803         DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
5804         DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
5805         DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
5806         DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
5807         DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
5808         DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
5809         DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
5810         DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
5811         DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
5812         DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
5813         DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
5814         DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
5815         DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
5816         DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
5817         DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
5818         DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
5819         DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
5820         DF_SCAN_POST_ALLOC): New macros.
5821         (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
5822         df_free_bb_function, df_local_compute_function, df_init_function,
5823         df_dataflow_function, df_confluence_function_0,
5824         df_confluence_function_n, df_transfer_function,
5825         df_finalizer_function, df_free_function, df_dump_problem_function,
5826         df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
5827         df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
5828         df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
5829         df_urec_bb_info, ) New types.
5830         (df_invalidated_by_call, df_all_hard_regs, df_state) New public
5831         variables.
5832         (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
5833         df_analyze_simple_change_some_blocks,
5834         df_analyze_simple_change_one_block, df_compact_blocks,
5835         df_bb_replace, df_bb_regno_last_use_find,
5836         df_bb_regno_first_def_find, df_bb_regno_last_def_find,
5837         df_insn_regno_def_p, df_find_def, df_find_use,
5838         df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
5839         df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
5840         df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
5841         debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
5842         debug_df_chain, df_get_dependent_problem, df_chain_create,
5843         df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
5844         df_grow_bb_info, df_chain_dump, df_print_bb_index,
5845         df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
5846         df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
5847         df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
5848         df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
5849         df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
5850         df_rescan_blocks, df_ref_create, df_get_artificial_defs,
5851         df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
5852         df_ref_remove, df_insn_refs_delete, df_refs_delete,
5853         df_reorganize_refs, df_set_state, df_hard_reg_init,
5854         df_read_modify_subreg_p) New public functions.
5855         * df-core.c: The core dataflow solver and glue routines for rtl
5856         dataflow.
5857         (df_init, df_add_problem, df_set_blocks, df_finish,
5858         df_hybrid_search_forward, df_hybrid_search_backward,
5859         df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
5860         df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
5861         df_bb_regno_last_use_find, df_bb_regno_first_def_find,
5862         df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
5863         df_reg_defined, df_find_use, df_reg_used, df_dump,
5864         df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
5865         df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
5866         debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
5867         debug_df_useno, reset_df_after_reload): New functions.
5868         * df-scan.c: The scanning fuctions, once in df.c, completely
5869         rewritten so that they now fully model the functionality of
5870         register usage at the backend.
5871         (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
5872         df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
5873         df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
5874         df_grow_insn_info, df_rescan_blocks, df_ref_create,
5875         df_get_artificial_defs, df_get_artificial_uses,
5876         df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
5877         df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
5878         df_refs_delete, df_reorganize_refs, df_set_state,
5879         df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
5880         df_def_record_1, df_defs_record, df_uses_record,
5881         df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
5882         df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
5883         df_record_exit_block_uses, df_hard_reg_init): New functions.
5885         * df-problems.c: Seven concrete dataflow problems that use the
5886         scanning in df-scan.c and are solved by the engine in df-core.c.
5887         (df_get_dependent_problem, df_chain_create, df_chain_unlink,
5888         df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
5889         df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
5890         df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
5891         df_ru_free_bb_info, df_ru_alloc,
5892         df_ru_bb_local_compute_process_def,
5893         df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
5894         df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
5895         df_ru_transfer_function, df_ru_free, df_ru_dump,
5896         df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
5897         df_rd_free_bb_info, df_rd_alloc,
5898         df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
5899         df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
5900         df_rd_transfer_function, df_rd_free, df_rd_dump,
5901         df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
5902         df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
5903         df_lr_local_compute, df_lr_init, df_lr_confluence_0,
5904         df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
5905         df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
5906         df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
5907         df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
5908         df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
5909         df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
5910         df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
5911         df_urec_mark_reg_change, df_urec_check_earlyclobber,
5912         df_urec_mark_reg_use_for_earlyclobber,
5913         df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
5914         df_urec_local_compute, df_urec_init, df_urec_local_finalize,
5915         df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
5916         df_urec_dump, df_urec_add_problem, df_chain_alloc,
5917         df_chain_create_bb_process_use, df_chain_create_bb,
5918         df_chain_finalize, df_chain_free, df_chains_dump,
5919         df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
5920         df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
5921         df_reg_lifetime): New functions.
5922         * df.c: Deleted file.
5923         * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
5924         consistent with new df api.
5925         * modulo-sched.c (sms_schedule, rest_of_handle_sms,
5926         rest_of_handle_sms): Ditto.
5927         * web.c (unionfind_union, union_defs, entry_register, web_main):
5928         Ditto.
5929         * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
5930         invariant_expr_equal_p, find_defs, check_dependencies,
5931         find_invariant_insn, find_invariants_to_move, move_invariant_reg,
5932         free_inv_motion_data, move_loop_invariants): Ditto.
5933         * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
5934         Update dependencies.
5935         (odf.c): Added defective entry that was deleted later in day.
5936         * sched-deps.c (sched_analyze_1): Ditto.
5938 2006-01-11  Zdenek Dvorak <dvorakz@suse.cz>
5940         * tree-ssa-operands.c (get_expr_operands): Record addressable
5941         variables directly.  Do not call add_stmt_operands for CONST_DECLs
5942         and ARRAY_DECLs.
5943         (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
5944         (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
5946 2006-01-11  Ben Elliston  <bje@au.ibm.com>
5948         * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
5949         function returns true in the positive case.
5951 2006-01-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5953         PR target/20754
5954         * config/pa/pa.md: Create separate 32 and 64-bit move patterns
5955         for SI, DI, SF and DF modes.  Add alternatives to copy between
5956         general and floating point registers to the 32-bit patterns.
5957         * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
5958         * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
5959         (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
5960         generating 64-bit code.
5961         * config/pa/pa.c (output_move_double): Handle copies between general
5962         and floating registers.
5964 2006-01-10  Stuart Hastings  <stuart@apple.com>
5966         * config/i386/i386.md (set_got): Update.
5967         (set_got_labelled): New.  (UNSPEC_LD_MPIC): New.
5968         (builtin_setjmp_receiver): Mach-O support.
5969         * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
5970         (GOT_SYMBOL_NAME): Define.
5971         (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
5972         (TARGET_DEEP_BRANCH_PREDICTION): Remove.
5973         * config/i386/i386.c (override_options): Revise for Darwin.
5974         (USE_HIDDEN_LINKONCE): Enable for Mach-O.  (ix86_file_end): Mach-O
5975         support.  (darwin_x86_file_end): New.  (output_set_got): Add label
5976         parameter, revise for Mach-O.  (x86_output_mi_thunk): Likewise.
5977         * config/i386/i386-protos.h (output_set_got): Likewise.
5978         * config/darwin.c (machopic_legitimize_pic_address): Update
5979         regs_ever_live[].
5981 2006-01-10  Kaz Kojima  <kkojima@gcc.gnu.org>
5983         * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
5984         when MODE isn't BLKmode.
5986 2006-01-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
5988         PR rtl-optimization/25367
5989         * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
5991 2006-01-10  Hans-Peter Nilsson  <hp@axis.com>
5993         PR target/25718
5994         * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
5995         for a negative bound.
5997 2006-01-10  Richard Guenther  <rguenther@suse.de>
5999         * tree-ssa-structalias.c (get_constraint_for_component_ref):
6000         Never override with anything constraint.
6002 2006-01-10  Jan Beulich  <jbeulich@novell.com>
6004         * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
6005         256 bits when optimize_size.
6007 2006-01-10  Jan Beulich  <jbeulich@novell.com>
6009         * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
6010         MASK_ALIGN_DOUBLE.
6011         * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
6012         * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
6013         arguments.
6015 2006-01-10  Ben Elliston  <bje@au.ibm.com>
6017         * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
6018         float modes.
6019         * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
6020         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
6021         (USE_FP_FOR_ARG): Reject decimal float modes.
6022         (function_arg_advance): Likewise.
6023         (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
6024         (rs6000_handle_altivec_attribute): Do not permit decimal floating
6025         point types in AltiVec vectors.
6026         (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
6027         (rs6000_libcall_value): Likewise.
6029 2006-01-09  Bob Wilson  <bob.wilson@acm.org>
6031         * config/xtensa/ieee754-df.S: New file.
6032         * config/xtensa/ieee754-sf.S: New file.
6033         * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
6034         (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
6035         * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
6037 2006-01-09  Kazu Hirata  <kazu@codesourcery.com>
6039         * config/sh/predicates.md (binary_float_operator,
6040         binary_logical_operator, commutative_float_operator,
6041         equality_comparison_operator, greater_comparison_operator,
6042         less_comparison_operator, logical_operator,
6043         noncommutative_float_operator, shift_operator,
6044         symbol_ref_operand, unary_float_operator): Remove redundant
6045         conditionals.
6047 2006-01-09  Jeff Law  <law@redhat.com>
6049         * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
6050         code to propagate the RHS of a cast into COND_EXPR_COND.  Remove
6051         now unused arguments.  Callers updated.
6052         (eliminate_redundant_computations): Remove now unused arguments,
6053         callers updated.
6054         (local_fold): Remove, no longer used.
6055         (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
6056         and moved to...
6057         * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
6058         (simplify_cond): New function.
6059         (forward_propagate_into_cond): Call simplify_cond.
6061 2006-01-09  Alexandre Oliva  <aoliva@redhat.com>
6063         * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
6064         (*vec_extractv2di_1_sse): New.
6066 2006-01-09  Ben Elliston  <bje@au.ibm.com>
6068         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
6070 2006-01-08  Richard Guenther  <rguenther@suse.de>
6072         * tree-ssa-structalias.c (get_constraint_for): Remove
6073         anyoffset argument.
6074         (get_constraint_for_component_ref): Likewise.
6075         (do_deref): Likewise.
6076         (get_constraint_for): Likewise.
6077         (do_structure_copy): Likewise.
6078         (handle_ptr_arith): Likewise.
6079         (find_func_aliases): Likewise.  Remove unused need_anyoffset
6080         variable.
6082 2006-01-08  J"orn Rennecke  <joern.rennecke@st.com>
6083             Kaz Kojima  <kkojima@gcc.gnu.org>
6085         * config/sh/sh.h (CONST_OK_FOR_K16): Define.
6086         (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
6087         (EXTRA_CONSTRAINT_C16): Remove.
6088         (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
6089         (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
6090         EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
6091         * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
6092         constants of SHmedia.  Handle nested constant expressions of
6093         SHmedia correctly.
6094         (andcosts): Fix the costs for SHmedia constants.
6095         (sh_rtx_costs): Take account of outer_code for SHmedia constants.
6096         * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
6097         (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
6098         (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
6099         (movv4hi_i, movv2si_i): Likewise.
6100         (movsi_const): Adjust the second operand of ior so to match with
6101         the Csu constraint.
6102         (movdi_const, movdi_const_32bit): Likewise.
6103         (movdi_const_16bit+1): Don't sign-extend LOW.
6104         (movdi_const_16bit+2): Likewise.  Remove the zero_extend and truncate
6105         step.
6106         (*double_shori): Fix the split condition.  Use GEN_INT instead
6107         of get_int_mode calls.  Mask lower 16-bit of the argument of
6108         the last GEN_INT.
6109         (sym2GOTPLT): Remove.
6110         (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
6111         gen_rtx_UNSPEC.
6112         * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
6113         instead of EXTRA_CONSTRAINT_C16.
6115 2006-01-07  Ian Lance Taylor  <ian@airs.com>
6116             David Edelsohn  <edelsohn@gnu.org>
6118         PR rtl-optimization/25662
6119         * optabs.c (simplify_expand_binop): Use simplify_binary_operation
6120         for constant operands instead of simplify_gen_binary.
6121         * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
6122         after trying simplify_binary_operation
6124 2006-01-06  Daniel Berlin  <dberlin@dberlin.org>
6126         * tree.c (iterative_hash_expr): Hash decls based on UID.
6128 2006-01-06  Eric Christopher  <echristo@apple.com>
6130         * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
6131         (TARGET_UNWIND_EMIT): Fix spelling.
6132         * target.h (gcc_target): Add except_table_label.
6133         * except.c (output_function_exception_table): Use.
6134         * varasm.c (default_emit_except_table_label): New.
6135         * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
6136         define.
6137         (asm_out): Add here.
6138         * output.h (default_emit_except_table_label): Prototype.
6139         * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
6140         * config/darwin.c (darwin_emit_except_table_label): Define.
6141         * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
6143 2006-01-06  Zdenek Dvorak <dvorakz@suse.cz>
6145         PR tree-optimization/18527
6146         * tree-ssa-loop-niter.c (number_of_iterations_cond,
6147         number_of_iterations_special, number_of_iterations_exit):
6148         Move base and step of an iv to a single structure.  Add
6149         no_overflow flag, and use it in # of iterations analysis.
6150         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
6151         folded_casts argument.
6152         (simple_iv): Pass base and step in a structure.  Set no_overflow
6153         flag.
6154         (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
6155         Evaluate expensiveness of computing # of iterations instead of
6156         the final expression.
6157         * tree-scalar-evolution.h (affine_iv): New structure.
6158         (simple_iv): Declaration changed.
6159         * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
6160         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
6161         find_givs_in_stmt): Changed due to simple_iv change.
6163 2006-01-06  Jeff Law  <law@redhat.com>
6165         PR ada/24994
6166         * tree-cfg.c (bsi_replace): Rename final argument from
6167         PRESERVE_EH_INFO to UPDATE_EH_INFO.  Fix typo in last
6168         change (stmt -> orig_stmt).
6169         * tree-eh.c (verify_eh_throw_stmt_node): New function.
6170         (bsi_remove): Add new argument.  Remove EH information
6171         if requested.
6172         (verify_eh_throw_table_statements): New function.
6173         (bsi_remove): Add new argument REMOVE_EH_INFO.  All callers
6174         updated.
6175         * tree-optimize.c (execute_free_cfg_annotations): Verify
6176         the EH throw statement table after removing annotations.
6177         * except.h (verify_eh_throw_table_statements): Prototype.
6178         * tree-flow.h (bsi_remove): Update prototype.
6179         * tree-vrp.c (remove_range_assertions): Add new argument to
6180         bsi_remove call.
6181         * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
6182         * tree-complex.c (expand_complex_div_wide): Likewise.
6183         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
6184         * tree-tailcall.c (eliminate_tailcall): Likewise.
6185         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
6186         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
6187         * tree-nrv.c (tree_nrv): Likewise.
6188         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
6189         * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
6190         (combine_blocks): Likewise.
6191         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
6192         * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
6193         (cleanup_control_flow): Likewise.
6194         (remove_forwarder_block): Likewise.
6195         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
6196         * tree-sra.c (sra_replace): Likewise.
6197         * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
6198         (forward_propagate_single_use_vars): Likewise.
6199         * tree-ssa-dce.c (remove_dead_stmt): Likewise.
6200         * tree-inline.c (expand_call_inline): Likewise.
6201         * tree-vect-transform.c (vect_transform_loop): Likewise.
6202         * tree-outof-ssa.c (rewrite_trees): Likewise.
6203         * tree-cfg.c (make_goto_expr_edges): Likewise.
6204         (cleanup_dead_labels): Likewise.
6205         (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
6206         (bsi_move_before, bsi_move_after): Likewise.
6207         (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
6208         (tree_redirect_edge_and_branch, tree_split_block): Likewise.
6210 2006-01-06  Andrew Pinski  <pinskia@physics.uc.edu>
6212         PR tree-opt/25528
6213         * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
6214         and IMAGPART_EXPR.
6215         * tree-flow-inline.h (var_can_have_subvars): Handle complex types
6216         on non gimple variables.  Also add checks at the top for decls and
6217         mtags.
6218         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
6219         complex types.
6220         * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
6221         and IMAGPART_EXPR for creating MUST_DEFs.
6222         (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
6223         and NAME_MEMORY_TAG separately from the DECLs.
6225 2006-01-06  Richard Guenther  <rguenther@suse.de>
6227         * tree-dfa.c (mark_new_vars_to_rename): Create stmt
6228         annotation, if necessary.
6229         * tree-ssa-pre.c (create_expression_by_pieces): Remove
6230         redundant calls to update_stmt.
6231         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
6232         Likewise.
6234 2006-01-05  Richard Henderson  <rth@redhat.com>
6236         * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
6238 2006-01-05  Carlos O'Donell  <carlos@codesourcery.com>
6240         * c-typeck.c: Update copyright date.
6242 2006-01-05  Carlos O'Donell  <carlos@codesourcery.com>
6244         * c-typeck.c (build_c_cast): Always warn when casting
6245         from a pointer to an integer of different size, even if
6246         the node was constant.
6248 2006-01-05  Richard Guenther  <rguenther@suse.de>
6250         PR tree-optimization/22555
6251         * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
6252         if one structure field is an array.
6253         * tree-ssa-operands.c (get_expr_operands): Continue scanning
6254         operands even if we found a subvar, but ignore VOPs in this
6255         case.
6256         * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
6257         for renaming.
6258         * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
6260 2006-01-05  Richard Earnshaw  <rearnsha@arm.com>
6262         PR middle-end/24998
6263         * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
6265 2006-01-05  Richard Guenther  <rguenther@suse.de>
6266             Diego Novillo  <dnovillo@redhat.com>
6268         * tree-pass.h (TODO_remove_unused_locals): Define.
6269         * gimple-low.c (expand_var_p, remove_useless_vars,
6270         pass_remove_useless_vars): Remove.  Update all users.
6271         * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
6272         (remove_unused_locals): New function.
6273         * tree-flow.h (remove_unused_locals): Declare.
6274         * passes.c (execute_todo): Call remove_unused_locals if
6275         TODO_remove_unused_locals is set.
6276         * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
6277         * tree-ssa-dce.c (pass_dce): Likewise.
6278         * tree-outof-ssa.c (pass_del_ssa): Likewise.
6280 2006-01-05  Richard Guenther  <rguenther@suse.de>
6282         * tree-flow.h (struct fieldoff): Decompose field to
6283         type, size and decl.
6284         * tree-ssa-alias.c (create_sft): Take type as parameter.
6285         (create_overlap_variables_for): Store type, size and decl
6286         in the fieldoff structure.
6287         * tree-ssa-structalias.c (fieldoff_compare): Adjust users
6288         of struct fieldoff.
6289         (push_fields_onto_fieldstack): Likewise.
6290         (create_variable_info_for): Likewise.  Use offset for the
6291         SFT name if the decl is not available.
6293 2006-01-04  Paul Brook  <paul@codesourcery.com>
6295         * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
6297 2006-01-04  Daniel Berlin  <dberlin@dberlin.org>
6299         * lambda-code.c (can_put_in_inner_loop): Relax
6300         restrictions.
6301         (can_put_after_inner_loop): New function.
6302         (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
6303         (perfect_nestify): Change to make copies and modify uses.
6305 2006-01-04  Richard Henderson  <rth@redhat.com>
6307         Merge from gomp branch:
6308         * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
6309         via integer constant.
6310         (pragma_lex): Remove.
6311         * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
6312         rather than parsing it.
6313         * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
6314         handle_pragma_extern_prefix): Add %< %> quotes.
6315         (registered_pragmas): New.
6316         (c_register_pragma_1): New.
6317         (c_register_pragma): Use it.
6318         (c_register_pragma_with_expansion): Likewise.
6319         (c_invoke_pragma_handler): New.
6320         (init_pragma): Use cpp_register_deferred_pragma directly for
6321         pch_preprocess.
6322         * c-pragma.h (enum pragma_kind): New.
6323         (pragma_handler): New.
6324         (c_invoke_pragma_handler): Declare.
6325         * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
6326         CPP_PRAGMA_EOL.
6327         * c-common.h (c_common_pch_pragma): Update decl.
6328         * Makefile.in (c-parser.o): Update dependencies.
6329         (GTFILES): Add c-pragma.h.
6330         * c-parser.c (struct c_token): Add pragma_kind.
6331         (struct c_parser): Add in_pragma.
6332         (c_lex_one_token): Always initialize keyword and pragma_kind.
6333         Extract data for CPP_PRAGMA.
6334         (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
6335         (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
6336         Don't allow CPP_PRAGMA_EOL if in_pragma.
6337         (c_parser_consume_pragma): New.
6338         (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
6339         (c_parser_skip_to_end_of_parameter): Likewise.
6340         (c_parser_skip_to_end_of_block_or_statement): Likewise.
6341         (c_parser_skip_to_pragma_eol): New.
6342         (c_parser_external_declaration): Handle CPP_PRAGMA.
6343         (c_parser_compound_statement_nostart): Likewise.
6344         (c_parser_statement_after_labels): Likewise.
6345         (c_parser_pragma): New.
6346         (pragma_lex): Likewise.
6347         (c_parser_pragma_pch_preprocess): New.
6348         (c_parser_new): Merge into ...
6349         (c_parse_file): ... here.  Call c_parser_pragma_pch_preprocess.
6351 2006-01-04  Jeff Law  <law@redhat.com>
6353         PR ada/24994
6354         * tree-cfg.c (bsi_replace): Remove the original statement
6355         from the EH throw statement table.
6357 2006-01-04  Jakub Jelinek  <jakub@redhat.com>
6359         * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
6360         make the prototype extern "C" and add throw ().
6362         PR target/25554
6363         * config/i386/i386.md (testqi_ext_3): Ensure len is positive
6364         and pos non-negative and pos + len <= 32.
6365         (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
6366         drop pos + len < HOST_BITS_PER_WIDE_INT test.
6367         (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
6369         PR c/25559
6370         * c-common.c (handle_vector_size_attribute): Reject zero vector size
6371         as well as sizes not multiple of component size.
6373         PR debug/25562
6374         * function.c (instantiate_expr): New function.
6375         (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
6376         walk its DECL_VALUE_EXPR with instantiate_expr.
6378         * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
6379         DW_OP_deref{,_size} if address isn't going to be added.
6381 2006-01-04  Ben Elliston  <bje@au.ibm.com>
6383         * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
6384         * config/fp-bit.c: Likewise.
6386 2006-01-03  Daniel Berlin  <dberlin@dberlin.org>
6388         * dominance.c: Add comment about why we use DFS numbering
6389         of dominance tree.
6391 2006-01-03  Jakub Jelinek  <jakub@redhat.com>
6392             Richard Henderson  <rth@redhat.com>
6394         Merge from gomp-branch:
6395         * varasm.c (assemble_variable): Handle thread-local COMMON data.
6396         * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
6398 2006-01-03  Paolo Bonzini  <bonzini@gnu.org>
6400         PR rtl-optimization/25578
6401         * combine.c (combine_simplify_rtx, force_to_mode): Don't
6402         pass a parameter to simplify_shift_const if changing ASHIFTRT
6403         to LSHIFTRT.
6405 2006-01-03  Adrian Straetling  <straetling@de.ibm.com>
6407         * builtins.c (get_builtin_sync_mem): New function.
6408         (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
6409         expand_builtin_lock_test_and_set, expand_builtin_lock_release):
6410         Call get_builtin_sync_mem to generate mem rtx.
6412 2006-01-03  Richard Guenther  <rguenther@suse.de>
6414         PR c/25183
6415         * stmt.c (add_case_node): Make sure to clear overflow flags
6416         from ranges.
6418 2006-01-03  Jakub Jelinek  <jakub@redhat.com>
6420         Merge from gomp-branch.
6421         * config/sparc/sync.md: New file.
6422         * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
6423         UNSPECV_LDSTUB): New constants.
6424         * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
6425         * config/sparc/predicates.md (memory_reg_operand): New predicate.
6426         * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
6427         prototype.
6429 2006-01-03  Roger Sayle  <roger@eyesopen.com>
6431         * combine.c (reg_subword_p): New predicate to test whether the
6432         destination of a set refers to a subword/piece of a register.
6433         (try_combine): Generalize the code to merge the setting of a
6434         pseudo to a constant followed by a set of a subword of that
6435         register to a constant.
6437 2006-01-03  Kazu Hirata  <kazu@codesourcery.com>
6439         * basic-block.h (control_flow_graph): Change the type of
6440         x_label_to_block_map to VEC(basic_block,gc) *.
6441         * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
6442         set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
6444         * tree-ssa-propagate.c (cfg_blocks): Change the type to
6445         VEC(basic_block,heap) *.
6446         (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
6447         ssa_prop_fini): Adjust the uses of cfg_blocks.
6449 2006-01-03  Steven Bosscher  <stevenb.gcc@gmail.com>
6451         * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
6452         COMPONENT_REFs.
6453         * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
6454         hashing trees instead of a pointer hash.
6455         (mem_attrs_htab_eq): Do a deep compare instead of a pointer
6456         compare for MEM_EXPR.
6458         PR rtl-optimization/25130
6459         * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
6460         when comparing MEMs for GCSE
6462 2006-01-03  Ben Elliston  <bje@au.ibm.com>
6464         * targhooks.h (default_decimal_float_supported_p): Declare.
6465         * targhooks.c (default_decimal_float_supported_p): Define.
6466         * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
6467         `default_decimal_float_supported_p'.
6468         * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
6470 2006-01-02  Adam Nemet  <anemet@caviumnetworks.com>
6472         * combine.c (apply_distributive_law <SUBREG>): Check
6473         TRULY_NOOP_TRUNCATION.
6475 2006-01-02  Geoffrey Keating  <geoffk@apple.com>
6477         * dwarf2out.c (have_switched_text_section): Delete.
6478         (have_multiple_function_sections): New.
6479         (have_location_lists): Make 'bool'.
6480         (add_AT_loc_list): Use 'true' not '1'.
6481         (dwarf2out_switch_text_section): Set have_multiple_function_sections.
6482         (output_loc_list): Use have_multiple_function_sections.
6483         (output_ranges): Likewise.
6484         (dwarf2out_begin_function): Set have_multiple_function_sections if
6485         necessary.
6486         (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
6487         Check function_section rather than DECL_SECTION_NAME.
6488         (dwarf2out_finish): Use have_multiple_function_sections.
6489         Don't clear have_location_lists.
6491 2006-01-02  Eric Botcazou  <ebotcazou@adacore.com>
6492             Jan Hubicka  <jh@suse.cz>
6494         * cfglayout.c (fixup_reorder_chain): Remove kludge for the
6495         case of conditional jump jumping to the next instruction.
6496         * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
6497         cases of conditional jump jumping to the next instruction.
6499 2006-01-02  Jan Hubicka  <jh@suse.cz>
6501         * i386.c (*_cost): Add COSTS_N_INSNS.
6502         (ix86_rtx_costs): Do not use COSTS_N_INSNS.
6504 2006-01-02  Paolo Bonzini  <bonzini@gnu.org>
6506         PR target/25259
6507         * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
6509 2006-01-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6511         * config/arm/arm.c (all_fpus): Fix comment typo.
6512         * config/darwin.c: Likewise.
6513         * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
6514         * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
6515         * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
6517 2006-01-01  David Edelsohn  <edelsohn@gnu.org>
6519         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
6520         (rs6000_split_compare_and_swapqhi): New.
6521         * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
6522         (sync_compare_and_swapqhi_internal): New.
6523         * config/rs6000/rs6000-protos.h: Declare.